Shimano Dura Ace R9100-R9150 Jockey WheelsIf the shifting ability of your Shimano Dura Ace R9100 or R9150 rear derailleur has become unreliable, these jockey wheels will bring back the crisp and quick gear changes you’re used to. Equipped with precision bearings that are fully sealed, they run smoothly with minimal friction so more of your pedalling power is transferred into driving you forward.Features: Speed: 11-Speed Compatibility: Shimano Dura-Ace R9100 and R9150 rear derailleurs Bearings: Sealed precision bearings Pack of 2 Part Number: Y5ZR98010A 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 M7120 12 Speed MTB 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.
Shimano GRX 400 10 Speed Rear DerailleurIf you like to take on rough and challenging trails on your adventure road bike or gravel bike, the GRX 400 10 Speed rear mechanism will bring you fast and reliable gear changes, no matter how rough your route gets. Also, to ensure excellent chain retention and prevent your chain from damaging your frame, Shimano has added a gravel-tuned switchable clutch system. This can be turned off or on to suit the surface you’re riding. An ideal choice for modern drop bar bikes that can explore further than ever, this tough rear derailleur can work on up to 32T cassettes and is compatible with all Shimano 10 speed drop bar shifters.Wider Range Gravel ShiftingSmooth and reliable for mixed surface shifting, the GRX 400 model helps you to get the best experience out of every ride. Shimano has also developed its design specially for gravel bikes by allowing for a wider range that's suitable for use with larger sized tyres. Taking your riding a step further, you'll also benefit from this highly efficient model's industry leading technologies keeping you in control. Behind the "click" you hear and feel every time you shift, its Shimano Index Shifting System technology provides you with light, precise and consistent gear changes.Features:Use: Gravel, RoadSpeed: 10-SpeedCompatibility: Shimano 10-Speed drop bar leversCompatible Chain: HG-X 10-SpeedLink Bushings: 4 fluoric coated link bushingsCage Size: MediumMount Type: Standard Hanger Mount or Direct MountLow Sprocket Max: 36TLow Sprocket Min: 32TMax Front Difference: 16TTop Sprocket Max: 11TTop Sprocket Min: 11TTotal Capacity: 41TPulley Teeth: 11TClutch Type: YesSpring Type: Shimano Shadow RD+Manufacturer's Part Number: RD-RX400Weight: 303gTechnologies:Shimano Index System: 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 resonate into your hand, letting you know that your commands are being answered Shadow RD+: For a distraction-free quieter running drivetrain, this rear derailleur stabiliser reduces chain slap. A Simple solution for preventing chain drop, it's lighter and more efficient than a roller type chain deviceA 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 2x11 Speed 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 1 x 11 Speed 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. This 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: Part No: RD-RX812Use: 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: 31TWeight: 267gTechnologies: Shadow RD+: Less distraction quiet drive train. Rear derailleur stabilizer reduces chain slap. A simple solution for chain drop. Lighter and more efficient than the 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.
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 2x11 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 2 x 11 Speed Rear DerailleurShimano has engineered its GRX 810 gravel bike rear derailleur to bring you quiet and slick shifting performance as you take on the roughest terrain. It has also included its clutch adjustment switch, which adjusts the chain tension to prevent your bike’s chain dropping or slapping on the frame. This not only protects your frame; it ensures reliable gear changes over mixed terrains.Features:Use: Gravel, RoadSpeed: 2x11 speedCompatible Chain: HG-EV 11 speed; HG-X11Link Bushings: 4 fluoric coated link bushingsLow Sprocket Max: 34TLow Sprocket Min: 30TMax Front Difference: 17TPulley Teeth: 13TTop Sprocket Max: 11TTop Sprocket Min: 11TTotal Capacity: 40T Mounting: Standard Hanger Mount or Direct Mount Clutch Type: YesSpring Type: Shimano Shadow RD+ Manufacturer's Part Number: RDRX810 Weight: 255g (approx.)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 answeredShimano 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 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.