Shimano M6100 Deore 12Sp Shadow+ Rear DerailleurThis rear mech is engineered for fast and fun MTB rides, as it gives you reliable shifting performance and durability. It Features Shadow Plus technology, which uses a super-low profile design and an optimised slant angle for amazingly light shifting action on the toughest of rides. Shadow Plus also uses a chain stabilising switch that when on will reduce chain bounce in rough terrain, so you can enjoy a more confident shifting experience as you explore the trails.Features: Link and Pivot Body Material: Alloy Finish: Fluorine-coated link pin bushings Use: MTB Speed: 12 speed Size: Long Cage Type: Rear Cable Routing: Direct cable routing Links: Wide links and pivot body Bearing Pulleys: 13T bearing pulleys Max Low Sprocket: 51T (1x 12-speed) Profile: Low profile Clutch Option: 41T capacity SGS Long Cage Single or Pair: SinglePart Numbers: RDM6100SGSTechnologies: Shadow Plus: Shadow plus features a super low profile design and optimized slant angle for super light shifting action. Shadow Plus uses a chain stabilising switch that when on will reduce chain bounce in rough terrain maintaining more stable drive and shifting. Wide Link: Wide link design for greater torsional rigidity improves shifting response and service life. Single Tension Spring: Single tension spring prevents contact with the chainstay resulting in a silent ride. Top normal spring uses the spring to select higher gears. Strong return spring for a positive shifting feel. Direct Cable Routing: Direct cable routing prevents snagging from any trail side hazards.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 M5120 Deore 10/11Sp Sha+ Rear DerailleurThis rear mech is specifically designed for fast and fun MTB rides, as it gives you dependable shifting performance and durability. It Features Shadow Plus technology, which uses a super-low profile design and an optimised slant angle for amazingly light shifting action on the toughest of rides. Shadow Plus also uses a chain stabilising switch that when on will reduce chain bounce in rough terrain, so you can enjoy a more confident shifting experience as you explore the trails.Features: Link Material: Alloy Finish: Fluorine-coated link pin bushings Use: MTB Speed: 10/11 speed Size: Long Cage Type: Rear Cable Routing: Direct cable routing Links: Wide links and pivot body Bearing Pulleys: 11T bearing pulleys Max Low Sprocket: 46T (1x10-speed); 42T (2x11/2x10-speed) Profile: Low profile Clutch Option: 41T capacity SGS Long Cage Compatibility: HG-X11 11-speed and HG-X 10-speed compatible Single or Pair: SinglePart Numbers: RDM5120SGSTechnologies: Shadow Plus: Shadow plus features a super low profile design and optimized slant angle for super light shifting action. Shadow Plus uses a chain stabilising switch that when on will reduce chain bounce in rough terrain maintaining more stable drive and shifting. Wide Link: Wide link design for greater torsional rigidity improves shifting response and service life. Single Tension Spring: Single tension spring prevents contact with the chainstay resulting in a silent ride. Top normal spring uses the spring to select higher gears. Strong return spring for a positive shifting feel. Direct Cable Routing: Direct cable routing prevents snagging from any trail side hazards.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 M5100 Deore 11Sp Shadow+ Rear DerailleurThis 11 speed MTB rear mech is specifically designed to bring even more adventure to your outdoor lifestyle. It features a rock-solid alloy construction, which makes it perfect at withstanding all the intensity that comes with shredding the trails. Shimano has also equipped this model with Shadow Plus technology, which features a super low profile design and an optimised slant angle for super light shifting action on the toughest of rides.Features: Material: Alloy Pin Bushing Finish: Fluorine-coated link pin bushings Use: MTB Speed: 11 speed Cage: SGS Long Cage Profile: Low Pulley Tooth Count: 13T Cable Routing: Direct cable routing Links: Wide links Max Low Sprocket: 51T (1x 12-speed) Capacity: 40T capacity SGS cage Part Number: RDM5100SGSTechnologies: Shadow Plus: Shadow plus features a super low profile design and optimised slant angle for super light shifting action. Shadow Plus uses a chain stabilising switch that when on will reduce chain bounce in rough terrain maintaining more stable drive and shifting.Single Tension Spring: Prevents contact with the chainstay resulting in a silent ride.Direct Cable Routing: Direct cable routing prevents snagging from any trail side hazards.13T Pulleys: 13T pulleys and decreased derailleur tension prevent high chain tension in low gears.Springs: Strong return spring for a positive shifting feel. Top normal spring uses the spring to select higher gears.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 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 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 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 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 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 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 XTR M9120 12 Speed MTB Rear DerailleurThe Shimano XTR M9120 Rear Derailleur features an elegant, refined and optimised design, which is aimed at providing maximum drivetrain efficiency over the most demanding terrain. The derailleur has been redesigned to ensure that chain tension is decreased when in the low gear position (41T on cassette), which makes shifting easier while the Shadow+ mechanism ensures chain stability. Featuring oversized 13T pulley wheels, updated Shadow RD+ mechanism and is tailored specifically to provide maximum chain retention and shifting accuracy across the new Shimano 12-Speed drivetrain transmission system.Features: Material: Aluminium, Stainless Steel Drivetrain Speed: 12-Speed Low Sprocket Max: 45T Low Sprocket Min: 45T Top Sprocket Max: 10T Top Sprocket Min: 10T Total Capacity: 41T G Pulley Bearings: Sealed Link Bushings: Fluoric coated Pulley Teeth: 31T Spring Type: Shimano Shadow RD+ Compatible Chain: CN-M9100 Weight: 241gBuy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Shimano XTR M9100 12sp Rear DerailleurThe Shimano XTR M9100 Rear Derailleur features an elegant, refined and optimised design, which is aimed at providing maximum drivetrain efficiency over the most demanding terrain. Featuring oversized 13T pulley wheels, updated Shadow RD+ mechanism and is tailored specifically to provide maximum chain retention and shifting accuracy across the new Shimano 12-Speed drivetrain transmission system.Features: Material: Aluminium, Stainless Steel Use: MTB Speed: 12 speed Compatible Chain: HG 12-speed Low Sprocket Max/Min: M Option: 45T; L Option: 51T Top Sprocket Max/Min: M Option: 10T; L Option: 10T Total Capacity: M Option: 35T; L Option: 41T Pulley Teeth: 13T Pulley Bearings: Sealed Spring Type: Shimano Shadow RD+ Weight: M Option: 237g; L Option: 240gBuy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.