Zipp 404 Carbon Clincher White Road WheelsThis Zipp 404 clincher wheelset performs wonderfully in any situation where speed and stability are the top priority. Extensive research and development have shown how the 404's rim depth and shape performs superbly in all conditions, offering a solution for those who crave expert breakaways, sprints and summit finishes.Exceptional Crosswind PerformanceDeep section rims have a reputation of being hard to handle in crosswinds, but the Zipp 404 has shattered this reputation thanks to first-class engineering. It features smooth, predictable handling even in the toughest crosswinds to help give you the leading advantage, and with its excellent braking performance this wheelset also provides the control necessary to keep it.Features: Hub Model: 77 Rim Outer Width: 25mm Rim Internal Width: 16.5mm Rim: Carbon Clincher Rim Depth: 58mm Rim Dimple Surface: ABLC Sawtooth Spokes: Sapim CX-Sprint Spoke Hole Count: 18 Hole Spoke Pattern: Radial Spoke Length: 248mm Max Tyre Pressure: 125 psi Nipples: Sapim, External Weight: 710g (front), 905g (rear)Buy Zipp Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

Zipp 404 Carbon Clincher Black Road WheelsThis Zipp 404 all-black clincher wheelset performs wonderfully in any situation where speed and stability are the top priority. Extensive research and development have shown how the 404's rim depth and shape performs superbly in all conditions, offering a solution for those who crave expert breakaways, sprints and summit finishes.Exceptional Crosswind PerformanceDeep section rims have a reputation of being hard to handle in crosswinds, but the Zipp 404 has shattered this reputation thanks to first-class engineering. It features smooth, predictable handling even in the toughest crosswinds to help give you the leading advantage, and with its excellent braking performance this wheelset also provides the control necessary to keep it.Features: Hub Model: 77 Rim Outer Width: 25mm Rim Internal Width: 16.5mm Rim: Carbon Clincher Rim Depth: 58mm Rim Dimple Surface: ABLC Sawtooth Spokes: Sapim CX-Sprint Spoke Hole Count: 18 Hole Spoke Pattern: Radial Spoke Length: 248mm Max Tyre Pressure: 125 psi Nipples: Sapim, External Weight: 710g (front), 905g (rear)Buy Zipp Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

Zipp 303 Carbon Tubular Road Wheels - XDRBuilt for speed and endurance, this Zipp 303 tubular wheelset is the perfect choice for any rider looking to have the edge on race day. Featuring an exceptionally lightweight and responsive carbon fibre construction, both 45mm-deep rims have been repeatedly tested to offer an excellent aerodynamic profile. Each rim surface also features Zipp's dimpled ABLC texturing, proven to reduce air-drag and improve heat transfer for less wear on your brakes.Fully Optimised HubsetThis wheel comes with Zipp's 77/177 hubset, which pairs with the included Sapim CX Sprint spokes for stable performance and an excellent power transfer, giving you more power for each pedal rotation.Features:  Hub Model: 77/177  Rim Outer Width: 26.5mm  Rim: Carbon Tubular  Rim Depth: 45mm  Spokes: Sapim CX-Sprint  Spoke Hole Count: 24 Hole  Spoke Pattern: 2-cross  Spoke Length Non-Drive: 272mm  Spoke Length Drive: 270mm  Max Tyre Pressure: 125 psi  Track Adaptable: No  Freehub Compatibility: SRAM XDR  Dimpled Surface: ABLC Sawtooth  Nipples: Sapim, Secure-Lock  Weight: 593g (front), 746g (rear)Technology:  Visco-Elastic Constrained Layer Control (VCLC): Using a vibration absorbing material that is compressed between layers of solid carbon laminate on the rim surface. This technology means that when the rim received an impact from the road, a lot of the shock is absorbed by the VCLC system, resulting in a 10% reduction in road vibration.  Carbon Bridge: Adding Kevlar, stitched into a 6 bundle co-axial thread and placing this at the rim edge allows Zipp to ‘capstone’ the top of each outside diameter bridge, providing an improved way to distribute impact forces. This gives from 28% to as much as 50% improvements in impact depending on the rim type and allows Zipp to increase the lateral stiffness with a minimal weight penalty.  Hexfin Aerodynamic Boundary Layer Control (ABLC): The Sawtooth dimple design consists of 12 nodes that are specifically clocked to start aerodynamic shearing at a rate of 50hz at a rider speed of 20mph. Sawtooth accomplishes this by inducing small sheet vortices that shed at a low magnitude, but at a higher natural frequency, thus decreasing the laminar bubble effect on the aerodynamically shielded side of the rim’s profile to further reduce high yaw drag and improve crosswind stability.  Firecrest: A unique to Zipp rim profile that provides more aerodynamic finesse than any other rim design. It also improves handling in crosswinds significantly and increases the ride quality enormously.Buy Zipp Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

Zipp 404 Firecrest Clincher DB Black WheelsZipp's 404 Firecrest wheelset can do it all, making them perfect for every riding situation that requires speed and powerful braking performance, plus the versatility of clincher tyres. Designed with a rim depth and profile that has been proven in all conditions, these wheels are an ideal option for every triathlon distance, breakaway, sprint and hill finish. The addition of being disc brake compatible means you can brake later when coming into corners, significantly improving your riding times overall.Race Winning Hubset Firecrest wheels maintain a standard to which all other wheels are measured. They've been a pro favourite for nearly three decades and have won many Grand Tour stages, International Triathlons and Ironman events. At the centre of this success are Zipp's 77/177D hubs, which bring you exceptional durability, rolling efficiency and bearing life. With no pre-adjustment needed, these hubs make every riding endeavour a hassle-free experience meaning you can focus on the route ahead.Features: Hub Model: 77/177D Brake Standard: Disc Brake specific Axle: Quick Release Rim: Clincher Rim Clincher Bead Width: 16.25mm Rim Depth: 58mm Spokes: Sapim CX-Sprint Spoke Hole Count: 24 Hole Spoke Pattern: 2-cross Spoke Length Drive Side: 258mm Spoke Length Non-Drive Side: 260mm Max Tyre Pressure: 125psi / 8.62bars Dimpled Surface: Yes Nipples: Sapim Secure-Lock External Nipples: Yes SRAM XD R Driver Compatible: Yes (sold separately) Weight: 800g (front), 935g (rear)Technology: Aerodynamic Boundary Layer Control (ABLC): The Sawtooth dimple design consists of 12 nodes that are specifically clocked to start aerodynamic shearing at a rate of 50hz at a rider speed of 20mph. Sawtooth accomplishes this by inducing small sheet vortices that shed at a low magnitude, but at a higher natural frequency, thus decreasing the laminar bubble effect on the aerodynamically shielded side of the rim’s profile to further reduce high yaw drag and improve crosswind stability. Carbon Bridge: Adding Kevlar, stitched into a 6 bundle co-axial thread and placing this at the rim edge allows Zipp to ‘capstone’ the top of each outside diameter bridge, providing an improved way to distribute impact forces. This gives from 28% to as much as 50% improvements in impact depending on the rim type and allows Zipp to increase the lateral stiffness with a minimal weight penalty. Visco-Elastic Constrained Layer Control (VCLC): Using a vibration absorbing material that is compressed between layers of solid carbon laminate on the rim surface. This technology means that when the rim received an impact from the road, a lot of the shock is absorbed by the VCLC system, resulting in a 10% reduction in road vibration. Wire EDM: Electron Discharge Machining allows Zipp to precisely remove internal material from the rear hub after they have been heat treated. This removes any abnormality that can sometimes occur during the heat-treating process, resulting in a perfectly finished hub shell.Buy Zipp Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

Zipp 404 Firecrest Tubular Disc Road WheelsetZipp's 404 Firecrest wheelset can do it all, perfect for every riding situation that requires speed and powerful braking performance, plus the versatility of clincher tyres. Designed with a rim depth and profile that has been proven in all conditions, these wheels are an ideal option for every triathlon distance, breakaway, sprint and hill finish. The addition of being disc brake compatible means you can brake later when coming into corners, significantly improving your riding times overall.Disc Brake CompatibleThis disc brake compatible version of these 404 Firecrest wheels compliment modern riding requirements where stopping power is a high demand. As riding is getting faster, routes are comprising of long winding descents through all weather conditions and the competition has only gotten fiercer. Giving you the confidence to be able to stop and slow down competitively and safely is a major feature this wheelset delivers.Features: Hub Model: 77D Brake Standard: Disc Brake specific Axle: Quick Release Rim: Tubular Rim Depth: 58mm Spokes: Sapim CX-Ray Spoke Hole Count: 24 Hole Spoke Pattern: 2-cross Spoke Length Drive Side: 260mm Spoke Length Non-Drive Side: 258mm Max Tyre Pressure: 125psi / 8.62bars Dimpled Surface: Yes Thru Axle Compatible: Yes Nipples: Sapim Secure-Lock External Nipples: Yes Weight: 710g (front), 835g (rear)Technology: Aerodynamic Boundary Layer Control (ABLC): The Sawtooth dimple design consists of 12 nodes that are specifically clocked to start aerodynamic shearing at a rate of 50hz at a rider speed of 20mph. Sawtooth accomplishes this by inducing small sheet vortices that shed at a low magnitude, but at a higher natural frequency, thus decreasing the laminar bubble effect on the aerodynamically shielded side of the rim’s profile to further reduce high yaw drag and improve crosswind stability. Carbon Bridge: Adding Kevlar, stitched into a 6 bundle co-axial thread and placing this at the rim edge allows Zipp to ‘capstone’ the top of each outside diameter bridge, providing an improved way to distribute impact forces. This gives from 28% to as much as 50% improvements in impact depending on the rim type and allows Zipp to increase the lateral stiffness with minimal weight penalty. Visco-Elastic Constrained Layer Control (VCLC): Using a vibration absorbing material that is compressed between layers of solid carbon laminate on the rim surface. This technology means that when the rim received as impact from the road, a lot of the shock is absorbed by the VCLC system, resulting in a 10% reduction in road vibration.Buy Zipp Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

Zipp 303 Carbon Tubular Road Wheels - SRAMBuilt for speed and endurance, this Zipp 303 tubular wheelset is the perfect choice for any rider looking to have the edge on race day. Featuring an exceptionally lightweight and responsive carbon fibre construction, both 45mm-deep rims have been repeatedly tested to offer an excellent aerodynamic profile. Each rim surface also features Zipp's dimpled ABLC texturing, proven to reduce air-drag and improve heat transfer for less wear on your brakes.Fully Optimised HubsetThis wheel comes with Zipp's 77/177 hubset, which pairs with the included Sapim CX Sprint spokes for stable performance and an excellent power transfer, giving you more power for each pedal rotation.Features:  Hub Model: 77/177  Rim Outer Width: 26.5mm  Rim: Carbon Tubular  Rim Depth: 45mm  Spokes: Sapim CX-Sprint  Spoke Hole Count: 24 Hole  Spoke Pattern: 2-cross  Spoke Length Non-Drive: 272mm  Spoke Length Drive: 270mm  Max Tyre Pressure: 125 psi  Track Adaptable: No  Freehub Compatibility: SRAM XD  Dimpled Surface: ABLC Sawtooth  Nipples: Sapim, Secure-Lock  Weight: 593g (front), 746g (rear)Technology:  Visco-Elastic Constrained Layer Control (VCLC): Using a vibration absorbing material that is compressed between layers of solid carbon laminate on the rim surface. This technology means that when the rim received as impact from the road, a lot of the shock is absorbed by the VCLC system, resulting in a 10% reduction in road vibration.  Carbon Bridge: Adding Kevlar, stitched into a 6 bundle co-axial thread and placing this at the rim edge allows Zipp to ‘capstone’ the top of each outside diameter bridge, providing an improved way to distribute impact forces. This gives from 28% to as much as 50% improvements in impact depending on the rim type and allows Zipp to increase the lateral stiffness with minimal weight penalty.  Hexfin Aerodynamic Boundary Layer Control (ABLC): The Sawtooth dimple design consists of 12 nodes that are specifically clocked to start aerodynamic shearing at a rate of 50hz at a rider speed of 20mph. Sawtooth accomplishes this by inducing small sheet vortices that shed at a low magnitude, but at a higher natural frequency, thus decreasing the laminar bubble effect on the aerodynamically shielded side of the rim’s profile to further reduce high yaw drag and improve crosswind stability.  Firecrest: A unique to Zipp rim profile that provides more aerodynamic finesse than any other rim design. It also improves handling in crosswinds significantly and increases the ride quality enormously.Buy Zipp Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

Zipp 454 NSW Carbon Clincher Road WheelsetThis Zipp 454 wheelset is an evolution in the world of competitive road wheels. Sporting a rim design that has been loaded with the latest in Zipp's racing technological advances, the added aerodynamic finesse and drag reduction leads to exceptional rider stability and a more efficient power transfer to the road. Wind-tunnel tested, these wheels are built to handle strong crosswinds with ease, transferring more power output from the rider to the road than any other wheelset on the market.Exceptional Ratchet EfficiencyAt the heart of these 454 NSW wheels is Zipp's Cognition hubset which comfortably rides the cutting edge in hub design. Whereas a conventional hub effectively functions as a drum brake once the rider stops pedalling and begins to coast, the Cognition hubs disengage the ratchets via powerful internal magnets, effectively putting the bike in neutral gear. The moment you rotate the pedals forward, the ratchet re-engages and applies your power instantly.Features: Material: Rim: Carbon; Hub: Alloy Rim Model: X454NSW Rim Depth: 53/58mm Rim Inner Width: 17mm Rim External Width: 26.4mm Rim Surface: ABLC HexFin Technology Spokes: Sapim CX-Ray Spoke Count: 24 Spoke Lacing: 2-cross Max Tyre Pressure: 125 psi Hub: Cognition Speed: 11-Speed Weight: 835gTechnology: Cognition: The ultimate in Zipp hub technology. Every time a conventional hub set starts to coast, friction within the freehub ratchet mechanism works like a drum brake to slow the rider down. The drag between hub shell and driver body during coasting is considered an efficiency loss, especially for road wheels. High drag also can significantly contribute to chain-dropping issues. The drag torque drives the cassette clockwise so the chain gets loose on the load side. The solution? The rear Cognition hub with AxialClutch technology reduces drag by disengaging the ratchet mechanism when coasting. It then uses magnets to re-engage once the rider starts pedalling. Showstopper: Showstopper is a complimenting pairing of a directional, moulded-in, texture with silicon carbide particles suspended in the surface resin.  The current media blast process applied to all Zipp rims increases the surface roughness of the brake track providing the rider with consistent and responsive braking. In order to improve this for the wettest of rides, Zipp has introduced a moulded-in groove specifically tuned for the Zipp Tangente Platinum Pro EVO Brake Pad. The grooves have been optimized to interact with the leading edge (relative to the rotation of the wheel) of the brake pad and the four cooling channels. The leading edge of the pad and first two channels efficiently wipe water and debris outward, cleaning and drying the braking surface, while the second two cooling channels have maximum interference with the grooves allowing greater braking force than a smooth rim. The cleaning effects of the groove and pad interaction improve brake feel and consistency even in dry conditions. ImPress: Zipp's ImPress graphics technology prints graphics directly on the wheel, which allows the dimples to do what they were designed to achieve, to control vortex shedding and the rate at which air sheds off the wheel. Managing this is crucial to stability. ImPress graphics also give NSW a distinctive stealthy look. Hexfin Aerodynamic Boundary Layer Control (ABLC): The Sawtooth dimple design consists of 12 nodes that are specifically clocked to start aerodynamic shearing at a rate of 50hz at a rider speed of 20mph. Sawtooth accomplishes this by inducing small sheet vortices that shed at a low magnitude, but at a higher natural frequency, thus decreasing the laminar bubble effect on the aerodynamically shielded side of the rim's profile to further reduce high yaw drag and improve crosswind stability.Buy Zipp Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

Zipp 454 NSW Clincher Disc Road WheelsetThis Zipp 454 NSW Clincher disc brake wheelset offers cyclists an excellent aerodynamic balance, cross-wind stability and immense stopping power with disc brake compatibility. Sporting a rim design that has been loaded with the latest in Zipp's racing technological advances, the added aerodynamic finesse and drag reduction leads to exceptional rider stability and a more efficient power transfer to the road.Breakthrough Magnetised HubsetAt the heart of these 454 NSW wheels is Zipp's Cognition hubset which comfortably rides the cutting edge in hub design. Whereas a conventional hub effectively functions as a drum brake once the rider stops pedalling and begins to coast, the Cognition hubs disengage the ratchets via powerful internal magnets, effectively putting the bike in neutral gear. The moment you rotate the pedals forward, the ratchet re-engages and applies your power instantly.Features: Hub Model: Cognition Disc Hub Width (O.L.D.): 100mm Brake Standard: Disc Brake specific Rim: Clincher Rim Internal Width: 17mm Rim Depth: 53/58mm Spokes: Sapim CX-Ray J-Bend Spoke Hole Count: 24 Hole Spoke Pattern: 2-cross Spoke Length Drive Side: 252mm Spoke Length Non-Drive Side: 254mm Max Tyre Pressure: 125psi / 8.62bars Dimpled Surface: ABLC HexFin Nipples: Sapim Secure-Lock Thru Axle Compatible: Yes Weight: 765g (front), 850g (rear)Technology: SawTooth: The name given to the Zipp NSW variable depth 53/58mm rim profile. This design is the result of rigorous wind tunnel and real-world testing. The rim shape takes natures elegant design solutions and combines their precise engineering finesse to deliver a wheel that performs like nothing else before. Hexfin Aerodynamic Boundary Layer Control (ABLC): The Sawtooth dimple design consists of 12 nodes that are specifically clocked to start aerodynamic shearing at a rate of 50hz at a rider speed of 20mph. Sawtooth accomplishes this by inducing small sheet vortices that shed at a low magnitude, but at a higher natural frequency, thus decreasing the laminar bubble effect on the aerodynamically shielded side of the rim's profile to further reduce high yaw drag and improve crosswind stability. Hyperfoil: This technological design refers to the individual nodes that are part of the Sawtooth rim design. Each of these structures features the Hexfin ABLC dimples that stabilise handling in gusting and strong wind conditions by increasing wind vortex shedding. The dimples create a secondary vortex around the outer rim surface, which in turn heightens the wheel control and saves rider energy from being wasted. Cognition: The ultimate in Zipp hub technology. Every time a conventional hub set starts to coast, friction within the freehub ratchet mechanism works like a drum brake to slow the rider down. The drag between hub shell and driver body during coasting is considered an efficiency loss, especially for road wheels. High drag also can significantly contribute to chain-dropping issues. The drag torque drives the cassette clockwise so the chain gets loose on the load side. The solution? The rear Cognition hub with AxialClutch technology reduces drag by disengaging the ratchet mechanism when coasting. It then uses magnets to re-engage once the rider starts pedalling.Buy Zipp Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

Zipp 404 Firecrest Clincher DB White WheelsThis Zipp 404 wheelset does it all, perfect for every road riding situation that requires speed and powerful braking performance. Designed with a rim depth and profile that has been proven in harsher weather conditions, these wheels are an ideal choice for every triathlon distance, breakaway, sprint and hill finish. The addition of being disc brake compatible means you can brake later when coming into corners, significantly improving your riding times overall.Efficient, Durable HubsetThe Firecrest is a standard to which all other wheels are measured and has been a pro favourite for nearly three decades. Behind each latest success is the Zipp 77 hubset, prided for its exceptional durability, rolling efficiency and bearing life. With no pre-adjustment needed, these hubs make every riding endeavour a hassle-free experience meaning you can focus on the route ahead.Features: Hub Model: 77D Brake Standard: Disc Brake specific Axle: Quick Release Rim: Clincher Tubeless Rim Clincher Bead Width: 16.25mm Rim Depth: 58mm Spokes: Sapim CX-Sprint Spoke Hole Count: 24 Hole Spoke Pattern: 2-cross Spoke Length Drive Side: 258mm Spoke Length Non-Drive Side: 260mm Max Tyre Pressure: 125psi / 8.62bars Dimpled Surface: Yes Nipples: Sapim Secure-Lock External Nipples: Yes Weight: 800g (front), 935g (rear)Technologies: Aerodynamic Boundary Layer Control (ABLC): The Sawtooth dimple design consists of 12 nodes that are specifically clocked to start aerodynamic shearing at a rate of 50hz at a rider speed of 20mph. Sawtooth accomplishes this by inducing small sheet vortices that shed at a low magnitude, but at a higher natural frequency, thus decreasing the laminar bubble effect on the aerodynamically shielded side of the rim’s profile to further reduce high yaw drag and improve crosswind stability. Carbon Bridge: Adding Kevlar, stitched into a 6 bundle co-axial thread and placing this at the rim edge allows Zipp to ‘capstone’ the top of each outside diameter bridge, providing an improved way to distribute impact forces. This gives from 28% to as much as 50% improvements in impact depending on the rim type and allows Zipp to increase the lateral stiffness with a minimal weight penalty. Visco-Elastic Constrained Layer Control (VCLC): Using a vibration absorbing material that is compressed between layers of solid carbon laminate on the rim surface. This technology means that when the rim received an impact from the road, a lot of the shock is absorbed by the VCLC system, resulting in a 10% reduction in road vibration. Wire EDM: Electron Discharge Machining allows Zipp to precisely remove internal material from the rear hub after they have been heat treated. This removes any abnormality that can sometimes occur during the heat-treating process, resulting in a perfectly finished hub shell.Buy Zipp Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

Zipp 404 Firecrest Tubular Road WheelsetThis tubular Zipp 404 wheelset does it all, making them perfect for every road riding situation that requires speed and powerful braking performance. Designed with a rim depth and profile that has been proven in harsher weather conditions, these wheels are an ideal choice for every triathlon distance, breakaway, sprint and hill finish. The addition of being disc brake compatible means you can brake later when coming into corners, significantly improving your riding times overallDurable, efficient HubsetThe Firecrest is a standard to which all other wheels are measured and has been a pro favourite for nearly three decades. Behind each latest success is the Zipp 77 hubset, prided for its exceptional durability, rolling efficiency and bearing life. With no pre-adjustment needed, these hubs make every riding endeavour a hassle-free experience meaning you can focus on the route ahead.Features: Hub Model: 77 Brake Track Width: 25.34mm Axle: Quick Release Rim: Tubular Rim Depth: 58mm Spokes: Sapim CX-Sprint Spoke Hole Count: 18 Hole Spoke Pattern: 2-cross Spoke Length: 248mm Max Tyre Pressure: 125psi / 8.62bars Dimpled Surface: Yes Nipples: Sapim / External Weight: 665g (front), 805g (rear)Technologies: Aerodynamic Boundary Layer Control (ABLC): The Sawtooth dimple design consists of 12 nodes that are specifically clocked to start aerodynamic shearing at a rate of 50hz at a rider speed of 20mph. Sawtooth accomplishes this by inducing small sheet vortices that shed at a low magnitude, but at a higher natural frequency, thus decreasing the laminar bubble effect on the aerodynamically shielded side of the rim’s profile to further reduce high yaw drag and improve crosswind stability. Carbon Bridge: Adding Kevlar, stitched into a 6 bundle co-axial thread and placing this at the rim edge allows Zipp to ‘capstone’ the top of each outside diameter bridge, providing an improved way to distribute impact forces. This gives from 28% to as much as 50% improvements in impact depending on the rim type and allows Zipp to increase the lateral stiffness with a minimal weight penalty. Visco-Elastic Constrained Layer Control (VCLC): Using a vibration absorbing material that is compressed between layers of solid carbon laminate on the rim surface. This technology means that when the rim received as the impact from the road, a lot of the shock is absorbed by the VCLC system, resulting in a 10% reduction in road vibration.Buy Zipp Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

Zipp 808 Carbon Clincher White Road WheelsThis Zipp 808 clincher wheelset has been built to offer superior aerodynamics and top-level performance. Designed around the all-carbon Firecrest rim technology for incredible speed,  its unique 82mm deep ABLC SawTooth dimpled  surface ensures incredible crosswind stability.Durable, Hassle-Free HubsetThe Firecrest is a standard to which all other wheels are measured and has been a favourite of professionals for nearly three decades. Behind each latest success is the Zipp 77/177 hubset, prided for its exceptional durability, rolling efficiency and bearing life. With no pre-adjustment needed, these hubs make every ride a hassle-free experience so you can keep your focus on the road ahead.Features:  Rim Material: Carbon  Rim Type: Clincher  Rim Depth: 82mm  Rim Width: External: 26mm; Internal: 17mm  Dimple Surface: ABLC SawTooth  Hub: Zipp 77/177  Spoke Count: 18  Spoke Lacing Pattern: Radial  Spokes: Sapim CX-Ray  Bearings: Cartridge, stainless steel  Decal Colour: White  Max Tyre Pressure: 125 psi  Weight: 830g (front). 1kg (rear)Technology:  Showstopper: Showstopper is a complimenting pairing of a directional, moulded-in, texture with silicon carbide particles suspended in the surface resin. The current media blast process applied to all Zipp rims increases the surface roughness of the brake track providing the rider with consistent and responsive braking. In order to improve this for the wettest of rides, Zipp have introduced a moulded-in groove specifically tuned for the Zipp Tangente Platinum Pro EVO Brake Pad. The grooves have been optimized to interact with leading edge (relative to the rotation of the wheel) of the brake pad and the four cooling channels. The leading edge of the pad and first two channels efficiently wipe water and debris outward, cleaning and drying the braking surface, while the second two cooling channels have maximum interference with the grooves allowing greater braking force than a smooth rim. The cleaning effects of the groove and pad interaction improve brake feel and consistency even in dry conditions.  Hexfin Aerodynamic Boundary Layer Control (ABLC): The Sawtooth dimple design consists of 12 nodes that are specifically clocked to start aerodynamic shearing at a rate of 50hz at a rider speed of 20mph. Sawtooth accomplishes this by inducing small sheet vortices that shed at a low magnitude, but at a higher natural frequency, thus decreasing the laminar bubble effect on the aerodynamically shielded side of the rim’s profile to further reduce high yaw drag and improve crosswind stability.  Firecrest: A unique to Zipp rim profile that provides more aerodynamic finesse than any other rim design. It also improves handling in crosswinds significantly and increases the ride quality enormously.  Visco-Elastic Constrained Layer Control (VCLC): Using a vibration absorbing material that is compressed between layers of solid carbon laminate on the rim surface. This technology means that when the rim receive an impact from the road, a lot of the shock is absorbed by the VCLC system, resulting in a 10% reduction in road vibration.  Wire EDM: Electron Discharge Machining allows Zipp to precisely remove internal material from the rear hub after they have been heat treated. This removes any abnormality that can sometimes occur during the heat-treating process, resulting in perfectly finished hub shell.  SawTooth: The name given to the Zipp NSW variable depth 53/58mm rim profile. This design is the result of rigorous wind tunnel and real-world testing. The rim shape takes natures elegant design solutions and combines their precise engineering finesse to deliver a wheel that performs like nothing else before.Buy Zipp Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

Zipp 404 NSW Carbon Road Disc Wheels - XDRFor performance and control without compromise, look no further than this 404 NSW clincher wheelset from Zipp. Each wheel features an extra-deep 58mm carbon rim for a stunning aerodynamic profile. Plus, with Zipp's Sawtooth ABLC texturing on each rim, these wheels reduce high yaw drag for a remarkably stable performance, even in crosswinds. Advanced Hubset DesignWith its built-in Axial Clutch technology, the Cognition hubset utilises powerful magnets to disengage the ratcheting mechanism in your freehub for maximum speed and control whether you're pedalling or coasting. This hubset also features disc brake compatibility, ensuring you have the braking power to outclass the competition in any weather.Features: Hubs: Cognition Disc Rim Material: Carbon Rim Width Internal: 19mm Rim Width Outer: 26.4mm Rim Depth: 58mm Type: Tubeless Ready Max Tyre Pressure: 125 psi Dimple Surface: ABLC Sawtooth Technology Brake Interface: Disc Brake Spoke Count: 24 Spoke Type: Sapim CX-Ray J Bend Spoke Lacing Pattern: 2-Cross Nipples: Sapim Secure-Lock J Bend Freehub Compatibility: SRAM XDR Weight: 760g (front), 840g (rear)Technology: Hexfin Aerodynamic Boundary Layer Control (ABLC): The Sawtooth dimple design consists of 12 nodes that are specifically clocked to start aerodynamic shearing at a rate of 50hz at a rider speed of 20mph. Sawtooth accomplishes this by inducing small sheet vortices that shed at a low magnitude, but at a higher natural frequency, thus decreasing the laminar bubble effect on the aerodynamically shielded side of the rim’s profile to further reduce high yaw drag and improve crosswind stability. ImPress: Zipp’s ImPress graphics technology prints graphics directly on the wheel, which allows the dimples to do what they were designed to achieve, to control vortex shedding and the rate at which air sheds off the wheel. Managing this is crucial to stability. ImPress graphics also give NSW a distinctive stealthy look.Buy Zipp Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

Zipp 808 Carbon Clincher Black Road WheelsThis Zipp 808 clincher wheelset has been built to offer superior aerodynamics and top-level performance. Designed around the all-carbon Firecrest rim technology for incredible speed,  its unique 82mm deep ABLC SawTooth dimpled  surface ensures incredible crosswind stability.Durable, Hassle-Free HubsetThe Firecrest is a standard to which all other wheels are measured and has been a favourite of professionals for nearly three decades. Behind each latest success is the Zipp 77/177 hubset, prided for its exceptional durability, rolling efficiency and bearing life. With no pre-adjustment needed, these hubs make every ride a hassle-free experience so you can keep your focus on the road ahead.Features:  Rim Material: Carbon  Rim Type: Clincher  Rim Depth: 82mm  Rim Width: External: 26mm; Internal: 17mm  Dimple Surface: ABLC SawTooth  Hub: Zipp 77/177  Spoke Count: 18  Spoke Lacing Pattern: Radial  Spokes: Sapim CX-Ray  Decal Colour: Black  Bearings: Cartridge, stainless steel  Max Tyre Pressure: 125 psi  Weight: 830g (front). 1kg (rear)Technology:  Showstopper: Showstopper is a complimenting pairing of a directional, moulded-in, texture with silicon carbide particles suspended in the surface resin. The current media blast process applied to all Zipp rims increases the surface roughness of the brake track providing the rider with consistent and responsive braking. In order to improve this for the wettest of rides, Zipp has introduced a moulded-in groove specifically tuned for the Zipp Tangente Platinum Pro EVO Brake Pad. The grooves have been optimized to interact with the leading edge (relative to the rotation of the wheel) of the brake pad and the four cooling channels. The leading edge of the pad and first two channels efficiently wipe water and debris outward, cleaning and drying the braking surface, while the second two cooling channels have maximum interference with the grooves allowing greater braking force than a smooth rim. The cleaning effects of the groove and pad interaction improve brake feel and consistency even in dry conditions.  Hexfin Aerodynamic Boundary Layer Control (ABLC): The Sawtooth dimple design consists of 12 nodes that are specifically clocked to start aerodynamic shearing at a rate of 50hz at a rider speed of 20mph. Sawtooth accomplishes this by inducing small sheet vortices that shed at a low magnitude, but at a higher natural frequency, thus decreasing the laminar bubble effect on the aerodynamically shielded side of the rim’s profile to further reduce high yaw drag and improve crosswind stability.  Firecrest: A unique to Zipp rim profile that provides more aerodynamic finesse than any other rim design. It also improves handling in crosswinds significantly and increases the ride quality enormously.  Visco-Elastic Constrained Layer Control (VCLC): Using a vibration absorbing material that is compressed between layers of solid carbon laminate on the rim surface. This technology means that when the rim receive an impact from the road, a lot of the shock is absorbed by the VCLC system, resulting in a 10% reduction in road vibration.  Wire EDM: Electron Discharge Machining allows Zipp to precisely remove internal material from the rear hub after they have been heat treated. This removes any abnormality that can sometimes occur during the heat-treating process, resulting in a perfectly finished hub shell.  SawTooth: The name given to the Zipp NSW variable depth 53/58mm rim profile. This design is the result of rigorous wind tunnel and real-world testing. The rim shape takes natures elegant design solutions and combines their precise engineering finesse to deliver a wheel that performs like nothing else before.Buy Zipp Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

Zipp 808 Firecrest Carbon Road Wheelset When speed junkies and engineers work together to design a wheelset, nobody would have expected the result to be as successful as Zipp's 808 Firecrest clinchers. Featuring ultra-deep 82mm carbon rims, these wheels use their sharp aerodynamic profile and low weight to build speed at an astounding rate. Plus, with Zipp's ABLC Sawtooth technology in the rim surface, these wheels have an added stability that ensures maximum performance even in tough crosswinds.Excellent Hubset DurabilityThis wheelset comes complete with Zipp's 77/177 hubset, which has been designed to optimise spoke tension and provide excellent bearing protection, meaning increased durability and a stronger power transfer.Features: Hubs: 77/177 Rim Material: Carbon Rim Width Internal: 17mm Rim Width Outer: 26mm Rim Depth: 82mm Type: Clincher Max Tyre Pressure: 125 psi Dimple Surface: ABLC Sawtooth Technology Brake Interface: Rim Brake Spoke Count: 18 (front),24 (rear) Spoke Type: Sapim CX-Ray Spoke Lacing Pattern: 2-Cross Nipples: Sapim Secure-Lock Weight: 830g (front), 1kg (rear)Technology: Hexfin Aerodynamic Boundary Layer Control (ABLC): The Sawtooth dimple design consists of 12 nodes that are specifically clocked to start aerodynamic shearing at a rate of 50hz at a rider speed of 20mph. Sawtooth accomplishes this by inducing small sheet vortices that shed at a low magnitude, but at a higher natural frequency, thus decreasing the laminar bubble effect on the aerodynamically shielded side of the rim’s profile to further reduce high yaw drag and improve crosswind stability. Carbon Clincher: Two years of intensive prototyping and testing has resulted in a clincher that utilises elements of motorsports brake systems to maximise heat management. Their investment has paid off in spades, with all Zipp Carbon Clinchers now passing the rigorous safety standards of CEN. Visco-Elastic Constrained Layer Control (VCLC): Using a vibration absorbing material that is compressed between layers of solid carbon laminate on the rim surface. This technology means that when the rim received an impact from the road, a lot of the shock is absorbed by the VCLC system, resulting in a 10% reduction in road vibration. Showstopper: Showstopper is a complimenting pairing of a directional, moulded-in, texture with silicon carbide particles suspended in the surface resin. The current media blast process applied to all Zipp rims increases the surface roughness of the brake track providing the rider with consistent and responsive braking. In order to improve this for the wettest of rides, Zipp has introduced a moulded-in groove specifically tuned for the Zipp Tangente Platinum Pro EVO Brake Pad. The grooves have been optimized to interact with leading edge (relative to the rotation of the wheel) of the brake pad and the four cooling channels. The leading edge of the pad and first two channels efficiently wipe water and debris outward, cleaning and drying the braking surface, while the second two cooling channels have maximum interference with the grooves allowing greater braking force than a smooth rim. The cleaning effects of the groove and pad interaction improve brake feel and consistency even in dry conditions.Buy Zipp Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

Zipp 404 NSW Carbon Tubeless Wheels - XDRBenefitting from a durable tubeless design, this Zipp 404 NSW all-carbon wheelset offers balanced speed and stability for exceptional race day performance. Each wheel sports a deep 58mm rim that exudes aerodynamic potential, which is enhanced by its dimpled ABLC Sawtooth rim for a fast ride that keeps you in control. Cutting Edge Hubset DesignThis 404 NSW wheelset features Zipp's innovative Cognition hubset, the very best in racing hub design. Automatically activating as you coast, this hub utilises a magnetic mechanism to retain speed and control on every corner, giving you the advantage over the competition's greatest disadvantage.Features:  Rim Material: Carbon  Rim Width Internal: 19mm  Rim Width Outer: 26.4mm  Rim Depth: 58mm  Type: Tubeless Ready  Max Tyre Pressure: 125 psi  Dimple Surface: ABLC Sawtooth Technology  Brake Interface: Rim Brake  Spoke Count: 24  Spoke Type: Sapim CX-Ray  Spoke Lacing Pattern: 2-cross  Nipples: Sapim Secure-Lock  Bearing Type: Cartridge  Freehub Compatibility: SRAM XDR  Weight: 738g (front), 882g (rear)Technology:  Cognition: The ultimate in Zipp hub technology. Every time a conventional hub set starts to coast, friction within the freehub ratchet mechanism works like a drum brake to slow the rider down. The drag between hub shell and driver body during coasting is considered as efficiency loss, especially for road wheels. High drag also can significantly contribute to chain-dropping issues. The drag torque drives the cassette clockwise so the chain gets loose on the load side. The solution? The rear Cognition hub with AxialClutch technology reduces drag by disengaging the ratchet mechanism when coasting. It then uses magnets to re-engage once the rider starts pedalling.  Showstopper: Showstopper is a complimenting pairing of a directional, moulded-in, texture with silicon carbide particles suspended in the surface resin.  The current media blast process applied to all Zipp rims increases the surface roughness of the brake track providing the rider with consistent and responsive braking. In order to improve this for the wettest of rides, Zipp have introduced a moulded-in groove specifically tuned for the Zipp Tangente Platinum Pro EVO Brake Pad. The grooves have been optimized to interact with leading edge (relative to the rotation of the wheel) of the brake pad and the four cooling channels. The leading edge of the pad and first two channels efficiently wipe water and debris outward, cleaning and drying the braking surface, while the second two cooling channels have maximum interference with the grooves allowing greater braking force than a smooth rim. The cleaning effects of the groove and pad interaction improve brake feel and consistency even in dry conditions.  Hexfin Aerodynamic Boundary Layer Control (ABLC): The Sawtooth dimple design consists of 12 nodes that are specifically clocked to start aerodynamic shearing at a rate of 50hz at a rider speed of 20mph. Sawtooth accomplishes this by inducing small sheet vortices that shed at a low magnitude, but at a higher natural frequency, thus decreasing the laminar bubble effect on the aerodynamically shielded side of the rim’s profile to further reduce high yaw drag and improve crosswind stability.  ImPress: Zipp’s ImPress graphics technology prints graphics directly on the wheel, which allows the dimples to do what they were designed to achieve, to control vortex shedding and the rate at which air sheds off the wheel. Managing this is crucial to stability. ImPress graphics also give NSW a distinctive stealthy look.Buy Zipp Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

Zipp 808 Firecrest Carbon Disc Road WheelsetModern design and top-end wheel technology come together to deliver a fast-paced and full-bodied wheelset for assault on every road race. Zipp's fastest ever Firecrest wheels, these 808 models come carbon-built, disc brake optimised and tubeless ready to push you straight to the front of the pack. Covered in air-shedding ABLC dimpling, the massive 82mm deep rim is super-streamlined to create vital gains and greater velocity as you rush for the line.Deep, Streamlined RimsOptimised for use with 700x25c tyres, each rim’s 19mm internal width significantly reduces the rolling resistance, while speed and stability are all enhanced by the in-built Firecrest technology. Spinning on 177D hubs that securely hold the 24 Sapim CX-Ray spokes in place, these reliable and rapid rollers from Zipp are the perfect match for podium chasers.Features: Material: Rim: Carbon; Hub: Aluminium; Spokes; Stainless Steel Hub: 177D, 135/142mm Spokes: 24 x Sapim CX-Ray, straight-pull, Sapim Secure Lock nipples Rim Dimensions: Depth: 82mm; Internal Width: 19mm; External Width: 26.4mm Disc Brake: 6-bolt Tubeless Ready: Yes Weight: approx. 1.9kg (combined)Technology: Hexfin Aerodynamic Boundary Layer Control (ABLC): The Sawtooth dimple design consists of 12 nodes that are specifically clocked to start aerodynamic shearing at a rate of 50hz at a rider speed of 20mph. Sawtooth accomplishes this by inducing small sheet vortices that shed at a low magnitude, but at a higher natural frequency, thus decreasing the laminar bubble effect on the aerodynamically shielded side of the rim's profile to further reduce high yaw drag and improve crosswind stability.Buy Zipp Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

Zipp 404 NSW Carbon Road Disc Wheels - CampagFor performance and control without compromise, look no further than this 404 NSW clincher wheelset from Zipp. Each wheel features an extra-deep 58mm carbon rim for a stunning aerodynamic profile. Plus, with Zipp's Sawtooth ABLC texturing on each rim, these wheels reduce high yaw drag for a remarkably stable performance, even in crosswinds. Advanced Hubset DesignWith its built-in Axial Clutch technology, the Cognition hubset utilises powerful magnets to disengage the ratcheting mechanism in your freehub for maximum speed and control whether you're pedalling or coasting. This hubset also features disc brake compatibility, ensuring you have the braking power to outclass the competition in any weather.Features: Hubs: Cognition Disc Rim Material: Carbon Rim Width Internal: 19mm Rim Width Outer: 26.4mm Rim Depth: 58mm Type: Tubeless Ready Max Tyre Pressure: 125 psi Dimple Surface: ABLC Sawtooth Technology Brake Interface: Disc Brake Spoke Count: 24 Spoke Type: Sapim CX-Ray J Bend Spoke Lacing Pattern: 2-Cross Nipples: Sapim Secure-Lock J Bend Freehub Compatibility: Campagnolo Weight: 760g (front), 840g (rear)Technology: Hexfin Aerodynamic Boundary Layer Control (ABLC): The Sawtooth dimple design consists of 12 nodes that are specifically clocked to start aerodynamic shearing at a rate of 50hz at a rider speed of 20mph. Sawtooth accomplishes this by inducing small sheet vortices that shed at a low magnitude, but at a higher natural frequency, thus decreasing the laminar bubble effect on the aerodynamically shielded side of the rim’s profile to further reduce high yaw drag and improve crosswind stability. ImPress: Zipp’s ImPress graphics technology prints graphics directly on the wheel, which allows the dimples to do what they were designed to achieve, to control vortex shedding and the rate at which air sheds off the wheel. Managing this is crucial to stability. ImPress graphics also give NSW a distinctive stealthy look.Buy Zipp Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

Zipp 454 NSW Carbon Tubular Wheels - SRAMFeaturing a selection of Zipp's latest technological innovations, this 454 NSW all-carbon tubular wheelset offers exceptional race day advantages. From the undulating 53/58mm deep SawTooth-enhanced rim, which minimises aero-drag and side force from all wind yaw angles, to the crosswind-proof Hyperfoil rim texturing, these wheels offer unparalleled speed, aerodynamics and stability. Advanced Hubset DesignWith its built-in Axial Clutch technology, the Cognition hubset featured in this wheelset interacts with your freehub's ratcheting mechanism to cut mechanical drag in half, allowing for excellent control and efficiency whether you're pedalling or coasting.Features: Material: Rim: Carbon; Hub: Aluminium Hub Model: Cognition Rim Profile: Depth: 53/58mm Rim Type: Carbon Tubular Spokes: Sapim CX-Ray J-Bend, 18H, 2-cross Max Tyre Pressure: 125psi Dimpled Surface: ABLC, Hexfin Freehub Compatibility: SRAM XD Weight: 640g (front), 795g (rear)Technology: Cognition: The ultimate in Zipp hub technology. Every time a conventional hub set starts to coast, friction within the freehub ratchet mechanism works like a drum brake to slow the rider down. The drag between hub shell and driver body during coasting is considered as efficiency loss, especially for road wheels. High drag also can significantly contribute to chain-dropping issues. The drag torque drives the cassette clockwise so the chain gets loose on the load side. The solution? The rear Cognition hub with AxialClutch technology reduces drag by disengaging the ratchet mechanism when coasting. It then uses magnets to re-engage once the rider starts pedalling. SawTooth: The name given to the Zipp NSW variable depth 53/58mm rim profile. This design is the result of rigorous wind tunnel and real-world testing. The rim shape takes natures elegant design solutions and combines their precise engineering finesse to deliver a wheel that performs like nothing else before. Hexfin Aerodynamic Boundary Layer Control (ABLC): The Sawtooth dimple design consists of 12 nodes that are specifically clocked to start aerodynamic shearing at a rate of 50hz at a rider speed of 20mph. Sawtooth accomplishes this by inducing small sheet vortices that shed at a low magnitude, but at a higher natural frequency, thus decreasing the laminar bubble effect on the aerodynamically shielded side of the rim’s profile to further reduce high yaw drag and improve crosswind stability. ImPress: Zipp’s ImPress graphics technology prints graphics directly on the wheel, which allows the dimples to do what they were designed to achieve, to control vortex shedding and the rate at which air sheds off the wheel. Managing this is crucial to stability. ImPress graphics also give NSW a distinctive stealthy look.Buy Zipp Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

Zipp 404 NSW Carbon Tubeless Wheels - CampagBenefitting from a durable tubeless design, this Zipp 404 NSW all-carbon wheelset offers balanced speed and stability for exceptional race day performance. Each wheel sports a deep 58mm rim that exudes aerodynamic potential, which is enhanced by its dimpled ABLC Sawtooth rim for a fast ride that keeps you in control. Cutting Edge Hubset DesignThis 404 NSW wheelset features Zipp's innovative Cognition hubset, the very best in racing hub design. Automatically activating as you coast, this hub utilises a magnetic mechanism to retain speed and control on every corner, giving you the advantage over the competition's greatest disadvantage.Features:  Rim Material: Carbon  Rim Width Internal: 19mm  Rim Width Outer: 26.4mm  Rim Depth: 58mm  Type: Tubeless Ready  Max Tyre Pressure: 125 psi  Dimple Surface: ABLC Sawtooth Technology  Brake Interface: Rim Brake  Spoke Count: 24  Spoke Type: Sapim CX-Ray  Spoke Lacing Pattern: 2-cross  Nipples: Sapim Secure-Lock  Bearing Type: Cartridge  Freehub Compatibility: Campagnolo  Weight: 738g (front), 882g (rear)Technology:  Cognition: The ultimate in Zipp hub technology. Every time a conventional hub set starts to coast, friction within the freehub ratchet mechanism works like a drum brake to slow the rider down. The drag between hub shell and driver body during coasting is considered as efficiency loss, especially for road wheels. High drag also can significantly contribute to chain-dropping issues. The drag torque drives the cassette clockwise so the chain gets loose on the load side. The solution? The rear Cognition hub with AxialClutch technology reduces drag by disengaging the ratchet mechanism when coasting. It then uses magnets to re-engage once the rider starts pedalling.  Showstopper: Showstopper is a complimenting pairing of a directional, moulded-in, texture with silicon carbide particles suspended in the surface resin.  The current media blast process applied to all Zipp rims increases the surface roughness of the brake track providing the rider with consistent and responsive braking. In order to improve this for the wettest of rides, Zipp have introduced a moulded-in groove specifically tuned for the Zipp Tangente Platinum Pro EVO Brake Pad. The grooves have been optimized to interact with leading edge (relative to the rotation of the wheel) of the brake pad and the four cooling channels. The leading edge of the pad and first two channels efficiently wipe water and debris outward, cleaning and drying the braking surface, while the second two cooling channels have maximum interference with the grooves allowing greater braking force than a smooth rim. The cleaning effects of the groove and pad interaction improve brake feel and consistency even in dry conditions.  Hexfin Aerodynamic Boundary Layer Control (ABLC): The Sawtooth dimple design consists of 12 nodes that are specifically clocked to start aerodynamic shearing at a rate of 50hz at a rider speed of 20mph. Sawtooth accomplishes this by inducing small sheet vortices that shed at a low magnitude, but at a higher natural frequency, thus decreasing the laminar bubble effect on the aerodynamically shielded side of the rim’s profile to further reduce high yaw drag and improve crosswind stability.  ImPress: Zipp’s ImPress graphics technology prints graphics directly on the wheel, which allows the dimples to do what they were designed to achieve, to control vortex shedding and the rate at which air sheds off the wheel. Managing this is crucial to stability. ImPress graphics also give NSW a distinctive stealthy look.Buy Zipp Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

Zipp 404 NSW Carbon Tubeless Wheels - ShimanoBenefitting from a durable tubeless design, this Zipp 404 NSW all-carbon wheelset offers balanced speed and stability for exceptional race day performance. Each wheel sports a deep 58mm rim that exudes aerodynamic potential, while its dimpled ABLC Sawtooth rim texture ensures outstanding aerodynamics for a fast ride that keeps you in control. Cutting Edge Hubset DesignThis 404 NSW wheelset features Zipp's innovative Cognition hubset, the very best in racing hub design. Automatically activating as you coast, this hub utilises a magnetic mechanism to retain speed and control on every corner, giving you the advantage over the competition's greatest disadvantage.Features:  Rim Material: Carbon  Rim Width Internal: 19mm  Rim Width Outer: 26.4mm  Rim Depth: 58mm  Type: Tubeless Ready  Max Tyre Pressure: 125 psi  Dimple Surface: ABLC Sawtooth Technology  Brake Interface: Rim Brake  Spoke Count: 24  Spoke Type: Sapim CX-Ray  Spoke Lacing Pattern: 2-cross  Nipples: Sapim Secure-Lock  Bearing Type: Cartridge  Freehub Compatibility: Shimano  Weight: 738g (front), 882g (rear)Technology:  Cognition: The ultimate in Zipp hub technology. Every time a conventional hub set starts to coast, friction within the freehub ratchet mechanism works like a drum brake to slow the rider down. The drag between hub shell and driver body during coasting is considered as efficiency loss, especially for road wheels. High drag also can significantly contribute to chain-dropping issues. The drag torque drives the cassette clockwise so the chain gets loose on the load side. The solution? The rear Cognition hub with AxialClutch technology reduces drag by disengaging the ratchet mechanism when coasting. It then uses magnets to re-engage once the rider starts pedalling.  Showstopper: Showstopper is a complimenting pairing of a directional, moulded-in, texture with silicon carbide particles suspended in the surface resin.  The current media blast process applied to all Zipp rims increases the surface roughness of the brake track providing the rider with consistent and responsive braking. In order to improve this for the wettest of rides, Zipp have introduced a moulded-in groove specifically tuned for the Zipp Tangente Platinum Pro EVO Brake Pad. The grooves have been optimized to interact with leading edge (relative to the rotation of the wheel) of the brake pad and the four cooling channels. The leading edge of the pad and first two channels efficiently wipe water and debris outward, cleaning and drying the braking surface, while the second two cooling channels have maximum interference with the grooves allowing greater braking force than a smooth rim. The cleaning effects of the groove and pad interaction improve brake feel and consistency even in dry conditions.  Hexfin Aerodynamic Boundary Layer Control (ABLC): The Sawtooth dimple design consists of 12 nodes that are specifically clocked to start aerodynamic shearing at a rate of 50hz at a rider speed of 20mph. Sawtooth accomplishes this by inducing small sheet vortices that shed at a low magnitude, but at a higher natural frequency, thus decreasing the laminar bubble effect on the aerodynamically shielded side of the rim’s profile to further reduce high yaw drag and improve crosswind stability.  ImPress: Zipp’s ImPress graphics technology prints graphics directly on the wheel, which allows the dimples to do what they were designed to achieve, to control vortex shedding and the rate at which air sheds off the wheel. Managing this is crucial to stability. ImPress graphics also give NSW a distinctive stealthy look.Buy Zipp Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.