Dérailleur Avant Shimano XTR M981 3x 10 vitesses direct mountDérailleur Avant Shimano XTR M981 3x 10 vitesses direct mount Nouveau design SIDE-SWING Plus de dégagement pour les grandes roues Routage des câbles efficace pour passage facile des vitesses Passage de vitesse puissant (+ 100 % par rapport au XTR actuel)Gamme de traction étendue pour long trajets à vélo sans frottement de la chaîne Compatible avec les options traditionnelles de montage Pince haute, pince basse, type D, type E (SANS PLAQUE) Acheter Shimano XTR M9000 Direct Mount Mech Front 3 x 11 chez Chain Reaction Cycles, le plus grand magasin de vélo en ligne du monde

Dérailleur Arrière Shimano XTR M986 Shadow+ 11 vitessesDérailleur Arrière Shimano XTR M981 Shadow 11 vitesses Nouveau design Shadow avec angle d'inclinaison optimisée Plage d'ajustement 50 % plus large pour une meilleure stabilité de la vitesse Effort de passage de vitesse léger Compatibilité 3 x, 2 x, 1 x Profil bas Stabilisateur de chaîne avec ajustement simplifié Récupérer et capter la force stabilisatrice de chaîne pour une stabilité maximale (Max. + 50 %) ou une réduction de l'effort de de passage de vitesse Design efficace des dents de poulie pour un meilleur passage et une conduite plus fluidePlaque de carbone pour une plus grande légèretéAcheter Shimano XTR M9000 ombre + 11 vitesse arrière Mech chez Chain Reaction Cycles, le plus grand magasin de vélo en ligne du monde

Dérailleur avant Shimano Ultegra 6800 Double 11vLe nouveau dérailleur avant Ultegra fournit un coup plus court pour un effort réduit.Dernière génération des manettes avant pour un tension optimale.Caractéristiques : Design revu et corrigé pour de meilleures performances Lien élargie pour plus de rigidité pour amener plus de performances sur la manette avant surtout avec de grosses charges. Plus de support sur le cadre pour la stabilitéFonctionnalités: Poids: 89g Collier dérailleur avant:  Band On Câble dérailleur avant : Bottom Capacité du dérailleur : 16 Type manivelle FD : Double route Compatibilité de la manette FD : Shimano Route double Style du dérailleur avant : Traditional Dentition : 53 dents Compatibilité de chaine : Shimano 11 Ligne de chaine : 43.5mmUne garantie de 2 ans est offerte sur tout les produits Shimano sur Chain Reaction Cycles (3 ans sur les produits Dura-Ace et XTR).Achetez les Composants Shimano sur Chain Reaction Cycles, le plus grand magasin de vélo en ligne du monde.

La conception pivot avec grande liaison renforce l'efficacité et la rigidité. Flex est supprimée, ce qui crée des passages vifs et précis, plus rapides et plus harmonieux, même lorsque vous passez d'une vitesse faible à une vitesse élevée sans être assis. En outre, Shimano utilise un mécanisme Double Servo-Panta qui maintient la poulie guide près de chaque pignon pour permettre les passages onctueux et précis que vous exigez de Shimano. Spécifications : • Indexation avant Dual sis •Total Max de haut-bas, portée : 325 •Haut - milieu Min capacité : 421 •Dents de Top Gear : 141 •Angle de chaîne de séjour : 66-69 deg •Poids : <183g

Shimano XT M8000 E 2x11 MTB Front DerailleurThis high-quality and durable front derailleur sets a whole new standard for MTB excellence. Featuring a friendly design for full-suspension and big wheels, this highly efficient model allows for improved driving and shifting performance.Stable and Reliable Front MechSeriously stable, you'll benefit from improved chain retention and more reliable shifting of the front system. This is the perfect choice of a replacement or upgrade for taking your off-road riding to the next level.Features:  Use: XC, Enduro, All Mountain Speed: 11 speed  E2 Type  Friendly design for full-suspension and big wheels  Highly efficient  Improved driving and shifting efficiency  Seriously stable  Improved chain retention and more stable shifting of rear system  Enduring performanceA 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 M8000 Front DerailleurThis superb front derailleur is specifically designed for use with your 11 speed drivetrain and allows for improved driving and shifting performance. Additionally, this stunning model's side-swing action provides 15mm of increased tyre clearance, making it perfect for use with modern MTB's. Finally, thanks to an improved chain retention it's the perfect choice of a replacement or upgrade for taking your off-road riding to the next level.Features:  Swing Action: Side Swing  Cassette Compatibility: 11 speed  Cable Routing: Front-Pull  Mounting Style: Direct mount  Friendly design for full-suspension and big wheels  Highly efficient  Improved driving and shifting efficiency  Seriously stable  Improved chain retention and more stable shifting of rear system  Enduring performanceA 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 817 Di2 1x11sp Rear DerailleurThis stunning rear mech is engineered to give you perfect shifting performance when riding on rough roads, gravel and muddy conditions. Ready to take on any challenge, the RX817 features an adjustable chain stabiliser which prevents chain slapping and drops. Shimano has also included a switch stabiliser which can be set to on/off to match the terrain conditions, which allows you more freedom to explore the unknown. Gravel-Tuned Rear ShiftingInspired by off-road groupsets, you'll enjoy its silent and uninterrupted rear shifting on harsher terrain conditions, where most common systems would fail. Whether you're planning a new adventure or joining friends after work for a ride out, this superb model's gravel-tuned clutch makes gear changing a breeze in any situation.Smooth and reliable, this rear derailleur features some of the finest technologies to keep you riding at the top of your game. Its revolutionary Di2 shifting system solves many of the challenges that mechanical systems face with the use of state-of-the-art electronics. This technology gives you instant, accurate and lightning-fast shifts every time you ride, at the push of a button. You'll also be able to change gear when under heavy load while climbing and accelerating for a top-level shifting experience.Features:  Use: Gravel, Road Speed: 11 speed   Link Bushings: 4 fluoric coated link bushings   Low Sprocket Max: 42T   Low Sprocket Min: 40T   Top Sprocket Max: 11T   Top Sprocket Min: 11T  Total Capacity: 31T Spring Type: Shadow RD+Technologies:  Di2: 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.   SEIS: The SEIS innovative shift technology is still based on the Shimano Index System (SIS) 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. This electronic shifting system has been extensively tested over past two years by several professional riders in all conditions possible, such as rain, mud, low temperatures, cobble stone roads and combinations of all of these at the same time. Shifting is executed by simply pressing the button. No power is needed to shift, which gives important advantages since it is easier now to always keep a tight grip on the handlebar and to keep your concentration on riding instead on shifting.   Shadow RD+: Less distraction quiet drive train. Rear derailleur stabilizer 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 GRX 400 10sp Gravel Front DerailleurThis brilliant front mech is engineered 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. To top it off, its wider range front gearing makes it perfect for riders who enjoy riding on paved roads and longer adventures. Features:   Use: Gravel, Road     Speed: 10 speed   Mount: Braze On Action: Down swing  Adjustment: Integrated cable tension adjustment Chainline: 46mm  Chain Stay Angle: 61-66 degrees  Compatible Chain: HG-X 10 speed  Link Bushings: 7  Top Gear Teeth: 46T  Total Capacity: 16TTechnologies: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 SLX M7100 E 2x12 MTB Front DerailleurThis stunning 12 speed front mech is perfect for MTB use as it helps you to maintain your focus and fun on rough, uneven terrain. It features an extra wide range for increased traction and no chain rub for longer travel bikes. Shimano has also included greater tyre clearance and wider rim compatibility, making it an ideal upgrade for riders who want smoother shifting performance with 2.3 tyres. Features: Material: Alloy Use: MTB Speed: 12 speed Action: Side Swing Cable Route Type: Front pull Top Gear Teeth: 36-26T Total Capacity: 10T Compatible Chain: HG 12 speed Compatible with 2.3 tyres on wider rimsTechnologies:Side Swing: Horizontal movement follows the chain direction for smooth & efficient front shifting effort.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 SLX M7100 E 2x12 MTB Front DerailleurThis stunning 12 speed front mech is perfect for MTB use as it helps you to maintain your focus and fun on rough, uneven terrain. It features an extra wide range for increased traction and no chain rub for longer travel bikes. Shimano has also included greater tyre clearance and wider rim compatibility, making it an ideal upgrade for riders who want smoother shifting performance with 2.3 tyres. Features: Material: Alloy Use: MTB Speed: 12 speed Action: Side Swing Cable Route Type: Front pull Top Gear Teeth: 36-26T Total Capacity: 10T Compatible Chain: HG 12 speed Compatible with 2.3 tyres on wider rimsTechnologies:Side Swing: Horizontal movement follows the chain direction for smooth & efficient front shifting effort.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 SLX M7100 E 2x12 MTB Front DerailleurThis stunning 12 speed front mech is perfect for MTB use as it helps you to maintain your focus and fun on rough, uneven terrain. It features an extra wide range for increased traction and no chain rub for longer travel bikes. Shimano has also included greater tyre clearance and wider rim compatibility, making it an ideal upgrade for riders who want smoother shifting performance with 2.3 tyres. Features: Material: Alloy Use: MTB Speed: 12 speed Action: Side Swing Cable Route Type: Front pull Top Gear Teeth: 36-26T Total Capacity: 10T Compatible Chain: HG 12 speed Compatible with 2.3 tyres on wider rimsTechnologies:Side Swing: Horizontal movement follows the chain direction for smooth & efficient front shifting effort.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 SLX M7100 1x12sp Rear DerailleurThis stunning rear mech delivers fast and shockless shifting for a more stable drivetrain on rough off-road terrains. Its low-profile design features an extra wide 12 speed range which gives you advanced shifting performance and more confidence to enjoy the trails. Additionally, its newly added pulley cage bumper both protects it from trailside obstacles and also keeps it running silently in all gear positions. Features: Material: Alloy Size: Medium Cage Speed: 12 speed Use: MTB Compatible Chain: HG 12 speed Bushings: 4 fluoric coated link bushings Low Sprocket Max: 51T Low Sprocket Min: 45T Top Sprocket Max: 10T Top Sprocket Min: 10T Total Capacity: 41T Max Front Difference: 0T Pulley Teeth: 13T Spring Type: Shimano Shadow RD+Technologies: Shimano Shadow RD+: Less distraction and a quieter drive train. Rear derailleur stabiliser reduces chain slap. A simple solution for chain drop. Lighter and more efficient than a 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 SLX M7120 2x12sp Rear DerailleurThis stunning rear mech delivers fast and slick shifting for more efficient performance on rough off-road terrains. Its newly added pulley cage bumper both protects it from trailside obstacles and keeps it running silently in all gear positions. Topping it off, is its low-profile design which features an extra wide 12 speed range, giving you advanced shifting performance and more confidence on the trails. Features: Material: Alloy Size: Long Cage Speed: 12 speed Use: MTB Compatible Chain: HG 12 speed Bushings: 4 fluoric coated link bushings Low Sprocket Max: 45T Low Sprocket Min: 45T Top Sprocket Max: 10T Top Sprocket Min: 10T Total Capacity: 45T Pulley Teeth: 13T Spring Type: Shimano Shadow RD+Technologies: Shimano Shadow RD+: Less distraction and a quieter drive train. Rear derailleur stabiliser reduces chain slap. A simple solution for chain drop. Lighter and more efficient than a 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.

?Dérailleur arrière Shimano GRX 400 Shadow RD+ (2 x 10 vitesses)Ce dérailleur arrière de qualité supérieure est parfait pour la conduite en Gravel, car il vous offre un passage des vitesses silencieux et ininterrompu à l'arrière sur terrain accidenté. Doté d'un stabilisateur de chaîne réglable, le RX400 empêche le claquement et la chute de la chaîne lorsque vous roulez sur des surfaces difficiles. Que vous voyagiez après le travail avec vos amis ou que vous alliez plus loin dans l'exploration de la route, son stabilisateur de contacteur vous permet de l'activer/désactiver en fonction du terrain. Changements de vitesse plus importants Lisse et fiable pour les changements de vitesse sur surfaces mixtes, sa tension d'embrayage adaptée à la pratique du Gravel vous permet de profiter au maximum de chaque trajet. Shimano a également développé sa conception spécialement pour les vélos de Gravel en permettant une gamme plus large qui convient à l'utilisation avec des pneus de plus grande taille. Pour aller plus loin, vous bénéficierez également des technologies de pointe de ce modèle à haut rendement qui vous permettront de garder le contrôle de votre conduite. Derrière le « clic » que vous entendez et ressentez chaque fois que vous changez de vitesse, sa technologie Shimano Index Shifting System vous offre des changements de vitesse légers, précis et constants.Caractéristiques : Utilisation : Gravel, route

Shimano XT M8100 2x12 MTB Front DerailleurThis stunning 12 speed front mech is perfect for MTB use as it helps you to maintain your focus and fun on rough, uneven terrain. It features an extra wide range for increased traction and no chain rub for longer travel bikes. Shimano has also included greater tyre clearance and wider rim compatibility, making it a perfect upgrade for riders who want smoother shifting performance with 2.3 tyres. Features: Material: Alloy Use: MTB Speed: 12 speed Action: Side Swing Cable Route Type: Front pull Top Gear Teeth: 36-26T Total Capacity: 10T Compatible Chain: HG 12 speed Compatible with 2.3 tyres on wider rimsTechnologies:Side Swing: Horizontal movement follows the chain direction for smooth & efficient front shifting effort.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 M8100 2x12 MTB Front DerailleurThis stunning 12 speed front mech is perfect for MTB use as it helps you to maintain your focus and fun on rough, uneven terrain. It features an extra wide range for increased traction and no chain rub for longer travel bikes. Shimano has also included greater tyre clearance and wider rim compatibility, making it a perfect upgrade for riders who want smoother shifting performance with 2.3 tyres. Features: Material: Alloy Use: MTB Speed: 12 speed Action: Side Swing Cable Route Type: Front pull Top Gear Teeth: 36-26T Total Capacity: 10T Compatible Chain: HG 12 speed Compatible with 2.3 tyres on wider rimsTechnologies:Side Swing: Horizontal movement follows the chain direction for smooth & efficient front shifting effort.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 M8100 2x12 MTB Front DerailleurThis stunning 12 speed front mech is perfect for MTB use as it helps you to maintain your focus and fun on rough, uneven terrain. It features an extra wide range for increased traction and no chain rub for longer travel bikes. Shimano has also included greater tyre clearance and wider rim compatibility, making it a perfect upgrade for riders who want smoother shifting performance with 2.3 tyres. Features: Material: Alloy Use: MTB Speed: 12 speed Action: Side Swing Cable Route Type: Front pull Top Gear Teeth: 36-26T Total Capacity: 10T Compatible Chain: HG 12 speed Compatible with 2.3 tyres on wider rimsTechnologies:Side Swing: Horizontal movement follows the chain direction for smooth & efficient front shifting effort.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 2x11sp Rear DerailleurThis top-quality rear mech is specifically designed for riding on rough roads, gravel and mud as it gives you smooth shifting performance. Highly versatile, this stunning model's chain stabiliser prevents chain slapping and drops as you conquer every road. You'll notice its silent and uninterrupted rear shifting on especially harsh terrains, where other rear mechs could struggle. What's also very impressive is its switch stabiliser which provides you with the freedom to turn it on/off to match the terrain conditions.Smooth Shifting Rear MechFeaturing the revolutionary Di2 shifting system, this rear mech delivers instant, accurate, lightning-fast shifts on every run. At the push of a button, you can maintain precise control even in the most extreme conditions with its electronic brain keeping you in charge. Additionally, you can change gear even under heavy load while climbing or accelerating making it perfect for tough rides. Smooth and reliable on mixed surfaces, its gravel-tuned clutch tension is ready to conquer all the challenges of a long ride out. Whether you're riding after work with your buddies or exploring new and unpredictable surroundings, this 2x11 speed version won't let you down.Features:  Use: Gravel, Road  Link Bushings: 4 fluoric coated link bushings   Speed: 11 speed  Spring Type: Shadow RD+ Low Sprocket Max: 34T  Low Sprocket Min: 30T  Top Sprocket Max: 11T  Top Sprocket Min: 11T  Max Front Difference: 17T  Total Capacity: 38TTechnologies:  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 812 1x11sp Rear DerailleurThe RX812 is specially engineered to conquer all the challenges of gravel riding, as it gives you smooth shifting performance. Whether you're riding after work with your friends or taking on an exciting new adventure, this 11 speed model has you covered. Dominate on every ride thanks to its incredibly versatile chain stabiliser which prevents chain slapping and drops as you shift. Shimano has also installed a switch stabiliser to this model, allowing you the freedom to turn it on/off based on the terrain conditions.Silent Shifting Rear MechWhen riding over mixed terrain surfaces with gravel and mud, this derailleur remains silent and uninterrupted thanks to some of the finest industry-leading technologies. Its Shimano Index System gives you frictionless shifting and smooth action to get you through the harshest roads efficiently. If you're interested in exploring further than ever before, this is an ideal choice of upgrade for a reliable and instant shifting experience.Features:  Use: Gravel, Road  Link Bushings: 4 fluoric coated link bushings   Speed: 11 speed  Compatible Chain: HG-EV 11 speed, HG-X11  Spring: Shimano Shadow RD+  Low Sprocket Max: 42T  Low Sprocket Min: 40T  Top Sprocket Max: 11T  Top Sprocket Min: 11T  Pulley Teeth: 11T  Total Capacity: 31TTechnologies:  Shadow RD+: Less distraction quiet drive train. Rear derailleur stabilizer reduces chain slap. Simple solution for chain drop. Lighter and more efficient than roller type chain device.   Shimano Index Shifting System: The system constituents such as the index mechanism built in the shifting lever, the frictionless SIS rear index shifting cable and the smooth action rear derailleur realise the Shimano Index System.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.

?Dérailleur arrière Shimano XT M8100 (1 x 12 vitesses)Ce dérailleur arrière à 12 vitesses est optimisé pour s'adapter à n'importe quelle piste car il offre des changements de vitesse rapides et précis. Son profil bas permet un changement de vitesse rapide et silencieux dans toutes les positions, ce qui vous permet de naviguer facilement dans la montagne. Pour couronner le tout, sa nouvelle butée au niveau de la chape, récemment ajoutée, protège le mécanisme arrière des obstacles situés sur le sentier et assure la stabilité de votre transmission lors de trajets difficiles.Caractéristiques : Matériau : alliage Taille : chape longue SGS Vitesses : 12 Utilisation : VTT Roulements de galets : étanches Chaîne compatible : HG 12 vitesses Bagues : 4 bagues de lien enduites de fluor Petit pignon maximum : 51 dents Petit pignon minimum : 45 dents Grand pignon maximum : 10 dents Grand pignon minimum : 10 dents Capacité totale : 41 dents Différence de dents maximale à l'avant : 0 dents Dents de galet : 13 Type de ressort : Shimano Shadow RD+Technologies : Hyperglide+ : la cassette et la chaîne redessinées de la transmission Hyperglide+ favorisent la prochaine génération VTT en améliorant la vitesse, l'efficacité et la souplesse sur tous les terrains. Il aidera à lancer la prochaine génération de vététistes en introduisant le pédalage continu sur pratiquement tous les terrains. Ce système de transmission remanié et cette chaîne dédiée offrent des changements de vitesse rapides, un transfert de puissance efficace et une stabilité de chaîne comme vous n'en avez jamais connu auparavant. Elle aide les cyclistes à s'adapter aux conditions de piste qui changent radicalement en jugeant avec précision du moment du changement de vitesses optimal pour un fonctionnement toujours fluide. Un meilleur engagement de la chaîne, une meilleure retenue et un pédalage plus lisse génèrent plus de puissance et de confiance sur terrain changeant. Les changements de rapport dans les deux sens augmentent la concentration et l'accélération des cyclistes. La transmission ultra-efficace avec une puissance plus lisse augmente le confort et réduit le stress du conducteur. Shimano Shadow RD+ : moins de distraction et une transmission plus silencieuse. Le stabilisateur de dérailleur arrière réduit le claquement de la chaîne. Une solution simple pour les sauts de chaîne. Plus léger et plus efficace que systèmes anti-déraillement classiquesUne garantie de 2 ans est offerte sur tous les produits Shimano par Chain Reaction Cycles (3 ans sur Dura-Ace et les produits XTR).Achetez vos composants Shimano sur Chain Reaction Cycles, le plus grand magasin de vélo en ligne au monde.