Shimano GRX 810 11sp Gravel Front DerailleurThis impressive front mech is specifically designed for gravel riding as it gives you lighter front shifting in mixed terrain conditions. Its chainline is 2.5mm wider in comparison to conventional road front mech's, which allows for wider tyre clearance. Furthermore, its wider range front gearing makes it perfect for riders who enjoy riding on paved roads and longer adventures.Features:   Use: Gravel, Road     Speed: 11 speed   Type: Braze On Action: Down swing Chainline: 46mm Chain Stay Angle: 61-66 degrees Compatible Chain: HG-EV 11 speed; HG-X11  Link Bushings: 7  Top Gear Teeth: 46-50T  Total Capacity: 17T Adjustment: Integrated cable tension adjustmentTechnologies:Shimano Index System: Every Shimano equipped multi-gear bicycle includes Shimano S.I.S - Shimano Indexed Shifting. It's the technology behind that click you hear and feel every time you shift through your gears. That click captures the light, precise, and consistent shifting bikes equipped with Shimano deliver. It's the sound of perfect gear changes, of levers directing derailleurs in harmony and the feeling that resonates into your hand, letting you know that your commands are being answered.A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

Shimano GRX 815 Di2 11sp Gravel Front DerailleurThis 11 speed front mech is specifically designed for dominating on your gravel bike with the help of electronic technologies keeping you in control. Featuring a chainline that's 2.5mm wider than conventional road front mechs, the RX815 offers wider tyre clearance. You'll benefit from smooth and precise shifts with its 17T front range giving you a wider front gearing experience. Part of Shimano's exclusive series that's developed for riding over rough roads, gravel and mud, this tough component is reliable and high efficient. Fast Shifting Front MechFully equipped with Shimano's revolutionary Di2 shifting system, this derailleur solves the challenges most mechanical drivetrains are faced with by giving you instant, accurate and lightning-fast shifts. At the push of a button, you'll benefit from precise gear changes even when it's under a heavy load while climbing or accelerating. Whether you're exploring or riding after work with friends, this is the ultimate choice of upgrade for riders who want to remain in complete control.Features:  Use: Gravel, Road  Wider tyre clearance  Wider front gearing range  17T front range  Chainline +2.5 mm vs conventional road front derailleurTechnologies:  Digital Integrated Intelligence: The revolutionary DI2 shifting system solves the challenges drivetrains present to the power-delivery equation in cycling. DI2 gives you instant, accurate, lighting-fast shifts the first and every time, at the push of a button. Even in the most extreme conditions, shifting is precise and controlled. You can change gear even under heavy load while climbing or accelerating. With DI2, you are in complete control.  E-Tube:  The E-Tube platform's “Plug & play” and D-FLY wireless connections make it easier than ever to check the system's status, and apply customized settings to DI2 and Shimano Steps components with a PC, tablet or smart phone.  Shimano Electronic Intelligent System: The SEIS innovative shift technology is still based on the Shimano Index System that has proved its superior gear changing characteristics over the years. The big difference is that in this case, the shifting action is provided for by electronics instead of mechanics. A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

Shimano GRX 810 2x11sp Rear DerailleurThis solid rear mech is engineered to give you silent and uninterrupted rear shifting on rough gravel terrain. It features an adjustable chain stabiliser which prevents chain slapping and drops, so you can enjoy smoother and more reliable mixed surface shifting. Fully equipped to take on the harsher of road conditions, its toggle clutch and switch stabiliser can be turned on and off to match the terrain. Features:   Use: Gravel, Road     Speed: 2x11 speed Compatible Chain: HG-EV 11 speed; HG-X11  Link Bushings: 4 fluoric coated link bushings  Low Sprocket Max: 34T  Low Sprocket Min: 30T  Max Front Difference: 17T  Pulley Teeth: 13T  Top Sprocket Max: 11T  Top Sprocket Min: 11T  Total Capacity: 40T  Spring Type: Shimano Shadow RD+ Technologies:Shimano Index System: Every Shimano equipped multi-gear bicycle includes Shimano S.I.S - Shimano Indexed Shifting. It's the technology behind that click you hear and feel every time you shift through your gears. That click captures the light, precise, and consistent shifting bikes equipped with Shimano deliver. It's the sound of perfect gear changes, of levers directing derailleurs in harmony and the feeling that resonates into your hand, letting you know that your commands are being answered.Shimano Shadow RD+: Less distraction quiet drive train. Rear derailleur stabiliser reduces chain slap. A simple solution for chain drop. Lighter and more efficient than roller type chain device. A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

Shimano XT M8120 2x12sp Rear DerailleurThis high-quality rear mech is ready to tackle any trail as it delivers quick and precise shifting performance. Enjoy faster and slicker gear changes thanks to this stunning model's low-profile design which stabilises chain tension in low gears. Furthermore, its pulley cage bumper aids towards a silent running drivetrain while keeping it firm on rough terrain.Features: Use: MTB Speed: 12 speed Size: Long Cage Bushings: 4 fluoric coated link bushings Compatible Chain: HG 12 speed Low Sprocket Max: 45T Low Sprocket Min: 45T Max Front Difference: 10T Bearings: Sealed pulley bearings Pulley Teeth: 13T Spring: Shimano Shadow RD+ Top Sprocket Max: 10T Top Sprocket Min: 10T Total Capacity: 45T Technologies:Hyperglide+: Hyperglide+ drivetrain's redesigned cassette and chain promotes the next generation of MTB riding by enhancing speed, shifting efficiency and smoothness over any terrain. It will help kickstart the next generation of mountain bike riding by introducing continuous pedalling over virtually any terrain. This revamped drive system and dedicated chain deliver fast shifting, efficient power transfer and chain stability like you've never experienced before. It helps riders adapt to drastically changing trail conditions by precisely judging the optimal shifting moment for consistently smooth operation. Shimano Shadow RD+: Less distraction quiet drive train. Rear derailleur stabiliser reduces chain slap. Simple solution for chain drop. Lighter and more efficient than roller type chain device. A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

Shimano Deore M618 2x10 MTB Front DerailleurThis high-quality front mech is designed for MTB use as it provides smooth, reliable and accurate shifting performance. It features a durable aluminium construction which makes it more than capable of handling all the abuse that comes with long days in the mountains. Coming equipped with Shimano's renowned HG-X technology, this mountain bike front derailleur allows for a consistent gearing experience as you blast across the woodland. Features:Material: AluminiumUse: MTBClamp Band Diameter: 28.6mmType: High clamp band-onPull: Top pullSpeed: 10 speedAdjustment: Angled stroke adjustment boltChainline: 48.8mmChainstay Angle: 66-69Top Gear Teeth: 36-38TTotal Capacity: 14TPart Number: KFDM618HTS6Technologies:HG-X: Further evolution of shifting performance. A directional mountain bike specific 10-speed HG-X chain means smoother shifts, lighter weight and greater overall performance. HG-X directional chain: Outer side is optimized for front shifting and inner side is optimized for rear shifting.A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

Shimano Deore M618 LC 2x10 MTB Front DerailleurAll set for fast-paced mountain bike adventures, this front mech gives you smooth and dependable shifting operation on mixed terrain conditions. It features a tough aluminium construction, which allows it to handle all the knocks and bumps as you blast across the mountain bike trails at speed. Compatible with Shimano HG-X 10 speed chains, this MTB front mech enables you to benefit from its smoother, lighter and greater overall performance.Features: Material: AluminiumUse: MTB Action: Top-swingCable Route Type: Down-Pull exclusiveChain line (mm): 48.8Chain stay angle: 66-69Compatible chain HG-X 10 speedLink bushings: 2Top gear teeth: 36-38TTotal capacity:14TManufacturers Part Numbers: 34.9mm Low Clamp 2x10: KFDM618LM634.9mm Low Clamp 3x10 with 31.8mm Adaptor: KFDM618LL6A 2 year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

Shimano Deore LX T670 2x10 MTB Front DerailleurThis front mech is specifically designed for aggressive MTB use, as it gives you smooth and dependable shifting operation on your mountain bike. It features a rock-solid aluminium construction, which means you'll benefit from its fantastic strength as you blast across the mountain bike trails at speed. Weighing in at only 157g, this is a perfect choice of upgrade for riders who want superior shifting performance without adding any unnecessary weight to their ride. The SHIMANO DEORE LX T670 front derailleur is perfect for trekking 3x10 speed drivetrains and provides precise, light action shifting.Features: Material: AluminiumUse: MTBAction: Top-swing with 31.8mm adaptorPull: Dual-pull Chainline: 50mm Chain Stay Angle: 66-69 Link Bushings: 2 Top Gear Teeth: 44/48T Total Capacity: 22T Part Number: KFDT670M6L Weight: 157g (approx)A 2 year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

Shimano RD-M820 Saint 10 Speed Jockey WheelsThese jockey wheels are specifically designed for use with Shimano RD-M820 rear derailleurs. Coming equipped with one tension pulley and one guide pulley, these jockey wheels are an excellent upgrade for keeping your drivetrain running smoothly and friction-free. Features:Speed: 10 speedRear Derailleur Compatibility: Shimano RD-M820 Part Number: Y5Y298230Includes: x1 tension pulley and x1 guide pulleyA 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

Shimano RD-7900 Dura-Ace 10 Speed Jockey WheelsThese jockey wheels are specifically designed for use with Shimano RD-7900 rear derailleurs. Coming equipped with one tension pulley and one guide pulley, these jockey wheels are an excellent upgrade for keeping your drivetrain running smoothly and friction-free. Features:Speed: 10 speedRear Derailleur Compatibility: Shimano RD-7900 Part Number: Y5X098140Includes: x1 tension pulley and x1 guide pulleyA 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

Shimano RD-M410 Alivio 8 Speed Jockey WheelsGenuine replacement Shimano jockey wheels for your MTB's rear mech.Features: Specific Shimano jockey wheels for MTB Easy to install Require minimal maintenanceA 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

Shimano RD-6700 Ultegra 10 Speed Jockey WheelsThese top-quality jockey wheels are specifically developed for use with Shimano RD-6700 Ultegra rear mechs. Engineered as a direct replacement for your existing wheels, these superb components deliver an easy and responsive feel. Perfect for riders who want to bring their rear mech back to the crisp direct engagement which you first experienced, these offer crucial tension and torque with their every rotation.Features:Use: Road Compatibility: Shimano RD-6700 Ultegra rear derailleurs Speed: 10 speed Weight: 19g (approx)A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

Shimano RD-M370 Altus 9 Speed Jockey WheelsThese jockey wheels are specifically designed for use with Shimano RD-M370 rear derailleurs. Coming equipped with one tension pulley and one guide pulley, these jockey wheels are an excellent upgrade for keeping your drivetrain running smoothly and friction-free. Features:Speed: 9 speedRear Derailleur Compatibility: Shimano RD-M370Part Number: Y5FT98030Includes: x1 tension pulley and x1 guide pulleyA 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

Shimano RD-U5000 Metrea 11 Speed Jockey WheelsThese jockey wheels are specifically designed for use with Shimano RD-U5000 rear derailleurs. Coming equipped with one tension pulley and one guide pulley, these jockey wheels are an excellent upgrade for keeping your drivetrain running smoothly and friction-free. Features:Speed: 11 speedRear Derailleur Compatibility: Shimano RD-U5000 Part Number: Y5RS98010 Includes: x1 tension pulley and x1 guide pulleyA 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

Shimano RD-M9100 Dura Ace 11 Speed Jockey WheelsDeveloped for fast-paced road use, these jockey wheels offer consistently smooth performance on your road bike. Ready for action, these high-quality components are an ideal choice of upgrade for your Shimano Dura Ace rear derailleur. Easy to install, these allow you to benefit from their light action as you clock up the miles.Features:Use: RoadSpeed: 11 speedCompatibility: Shimano RD-M9100 Dura Ace rear derailleursA 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

Shimano RD-9070 Dura Ace Di2 Jockey WheelsSpare jockey wheels for specific Shimano rear derailleurs.Features: Road SpecificA 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

Shimano RD-5800 105 11 Speed Jockey WheelsThese jockey wheels are specifically designed for use with Shimano RD-5800 rear derailleurs. Coming equipped with one tension pulley and one guide pulley, these jockey wheels are an excellent upgrade for keeping your drivetrain running smoothly and friction-free. Features:Speed: 11 speedRear Derailleur Compatibility: Shimano RD-5800 Includes: x1 tension pulley and x1 guide pulleyManufacturer Part Numbers:Short Cage: Y5YE98080Medium Cage: Y5YE98090A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

Shimano RD-5800 105 11 Speed Jockey WheelsThese jockey wheels are specifically designed for use with Shimano RD-5800 rear derailleurs. Coming equipped with one tension pulley and one guide pulley, these jockey wheels are an excellent upgrade for keeping your drivetrain running smoothly and friction-free. Features:Speed: 11 speedRear Derailleur Compatibility: Shimano RD-5800 Includes: x1 tension pulley and x1 guide pulleyManufacturer Part Numbers:Short Cage: Y5YE98080Medium Cage: Y5YE98090A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

Shimano RD-2300 8 Speed Jockey WheelsSpare jockey wheels for specific Shimano rear derailleurs.Features: Road SpecificA 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

Shimano RD-T6000 Deore 10 Speed Jockey WheelsDeveloped for fast-paced MTB use, these jockey wheels offer consistently smooth performance as you clock up the miles. Ready for action, these high-quality components are an ideal choice of upgrade for your Shimano Deore rear derailleur. Easy to install, these allow you to benefit from their light action as you weave between the trails.Features:Use: MTBSpeed: 10 speedCompatibility: Shimano RD-T6000 Deore rear derailleursA 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

Shimano RD-M970 XTR 9 Speed Jockey WheelsThese jockey wheels are specifically designed for use with Shimano RD-M970 rear derailleurs. Coming equipped with one tension pulley and one guide pulley, these jockey wheels are an excellent upgrade for keeping your drivetrain running smoothly and friction-free. Features:Speed: 9 speedRear Derailleur Compatibility: Shimano RD-M970 Part Number: Y5VW98120Includes: x1 tension pulley and x1 guide pulleyA 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.