Shimano's Direct Mount compatible Rear Derailleur system gives more space around the rear frame dropout resulting in easier rear wheel removal but also allows frame designers to shorten chain stays increase axel sizes and move suspension pivots Direct Mount gives a simpler cleaner look Deore XT Shadow Dyna-Sys11 11-speed rear derailleur delivers reliable and precise shifting with a stiff and lightweight open design Shadow features a super low profile design that reduces the risk of damage from trail side hazards The shadow plus chain stabilizer tension can easily be adjusted externally via a hex key Shadow Plus uses a chain stabilising switch that when on will reduce chain bounce in rough terrain maintaining more stable drive and shifting. This can be switched off to remove the wheelShadow design slant angle has been optimized for use with 40-42T sprockets Direct cable routing prevents snagging from any trail side hazards Four fluorine-coated link pin bushings make this one of the slickest shifting derailleurs on the trails High rigidity wide outer link braces the pulley body to increase pivot joint rigidity resulting in a crisp shift Strong return spring for a positive shifting feel Durable sealed bearing pulleys 40T (42T for 1x 11-speed) capacity SGS cage
Great value Altus rear derailleur offering crisp performance on- and off-road for 9-speed drivetrainsWide link design increases rigidity and service life,11-tooth pulleys for reduced pulley wear and chain noise,Advanced light action design with low friction fluorine coated link pivot bushings,Top-normal swing design,Total capacity 45T,Compatible with 32-36T low sprocket,Compatible with 9-speed Hyperglide sprockets.
The Shimano XT M8100 rear derailleur brings a new level of drivetrain silence thanks to decreased tension in the low gear position and an added bumper on the pulley cage. Larger 13T pulleys increase efficiency and chain management while compatibility with Shimano's new 12-speed cassettes boosts range.Key Features:XT Shadow plus 12-speed rear derailleur for fast and precise shifting performance optimized to take on any trail,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,Single tension spring prevents contact with the chainstay resulting in a silent ride,Rubber bumper on pulley cage for added silent drive,13T pulleys and decreased derailleur tension prevent high chain tension in low gears,Direct cable routing prevents snagging from any trail side hazards,Cold forged wide alloy links and pivot body,Four fluorine-coated link pin bushings,Strong return spring for a positive shifting feel,Specifically designed to work with 12-speed 1x drivetrains,Durable sealed 13T bearing pulleys for low friction,Top normal spring uses the spring to select higher gears,Max low sprocket: 51T (1x 12-speed),41T capacity SGS cage,Average weight 284g,.
Key Features:Acera mountain bike rear derailleur with light action operation and over-size pulleys for a wide gear choice,Oversize 13-tooth tension and guide pulleys to reduce noise and wear,Extension spring and low-friction fluorine-coated link pivot bushing result in a light shifting action,Top normal spring for use with Rapidfire shifters,IG and HG chain, 7- and 8-speed compatible.
Key Features: Deore M4120 Shadow 10/11-speed rear derailleur for the dependable shifting performance and durability,Shadow design features a super low profile design and optimized slant angle for super light shifting action,Single tension spring prevents contact with the chainstay resulting in a silent ride,Direct cable routing prevents snagging from any trail side hazards,Wide alloy links and pivot body,Fluorine-coated link pin bushings,Strong return spring for a positive shifting feel,Durable 11T bearing pulleys for low friction,Top normal spring uses the spring to select higher gears,HG-X11 11-speed and HG-X 10-speed compatible,Max low sprocket: 42T (2x11/2x10-speed),41T capacity SGS cage .
Key Features: Great value Alivio M3100 rear derailleur offering crisp performance on- and off-road for 9-speed drive trains,Shadow design with smooth skid plate surface features a super low profile design that reduces the risk of damage from trail side hazards,Wide link design increases rigidity and service life,Alloy body and outer link leads to lower weight without compromising strength and durability,11-tooth pulleys for reduced pulley wear and chain noise,Advanced light action design with low friction fluorine coated link pivot bushings,For use with 32 to 36 tooth low rear sprockets, total capacity 45 teeth,Top-normal swing design,Compatible with 9-speed Hyperglide sprockets.
Key Features:Great value Alivio rear derailleur offering crisp performance on- and off-road for 9-speed drivetrains,Wide link design increases rigidity and service life,Alloy body and outer link leads to lower weight without compromising strength and durability,11-tooth pulleys for reduced pulley wear and chain noise,Advanced light action design with low friction fluorine coated link pivot bushings,For use with 28 to 34 tooth low rear sprockets, total capacity 45 teeth,Top-normal swing design,Compatible with 9-speed Hyperglide sprockets.
The Shimano Claris 8 Speed Rear derailleur is built for 8 Speed road drivetrains. This derailleur features an advanced light action for low-friction shifting up or down the block. Key Features:Wide link design for increased rigidity and precise gear shifts,For use with triple setups,Compatible with 8-speed drivetrains,Max sprocket sizes: 28-34T,.
Rider tuned for sharp and silky shifts. Light shift operation with 20% less effort,Chain stability improved,Efficient shifting and smoother driving,New shadow design with optimized slant angle,New shift cable with new hyper low-friction coating technology,New shadow design with optimized slant angle for stable gear position,Easy-to-adjust chain stabilizer,Efficient pulley teeth design.
Acera mountain bike rear derailleur with light action operation and over-size pulleys for a wide gear choiceThe Features of the Shimano Acera 8 Speed Rear Mech RDM360 are:Oversize 13-tooth tension and guide pulleys to reduce noise and wearExtension spring and low-friction fluorine-coated link pivot bushing result in a light shifting actionTop normal spring for use with Rapidfire shiftersIG and HG chain, 7- and 8-speed compatibleFor use with 28 to 34 tooth low rear sprockets, total capacity 43 teeth
Acera mountain bike rear derailleur with light action operation and over-size pulleys for a wide gear choiceOversize 13-tooth tension and guide pulleys to reduce noise and wearExtension spring and low-friction fluorine-coated link pivot bushing result in a light shifting actionTop normal spring for use with Rapidfire shiftersIG and HG chain 7- and 8-speed compatibleFor use with 28 to 34 tooth low rear sprockets total capacity 43 teeth
Shimano Altus M2000 9 Speed Rear DerailleurPerfect for both road cycling and gravel adventure riding disciplines, this 9 speed rear derailleur provides smooth and reliable shifting operation wherever your next ride takes you. Benefitting from a wider linkage, this model ensures maximum durability with more precise shifting. Its B tension spring also delivers quick and easy wheel installation and removal. Coming complete with high-level surface treatment for extra protection against wear, this rear mech is all set for clocking up the miles.Mega 9The 9-speed gear cluster actualises close-ratio gearing without impairing wide gear range.HG SprocketsThe distinctively designed Hyperglide sprockets incorporate specially positioned shift ramps and tooth profiles for improved chain control during shifting. Fast and responsive indexed shifting is the result. The HG cassette sprocket, which was developed for the MTB 10-speed system, underwent comprehensive optimization to achieve super-highly efficient shifting.Shimano Shadow RDThe mechanism rear derailleur, Shimano Shadow RD, is intended for more aggressive riding. Its super low-profile design carries many benefits. Because of its low profile and single tension construction, the derailleur does not hit the chain stay in rough riding conditions. The result is smooth and silent performance.Features: Use: Road, Gravel Speed: 9 speed Cage Type: Long Cage Total Capacity: 45T Low Sprocket: Max: 36T; Min: 32T Max Front Difference: 22T Top Sprocket: Max: 12T; Min: 11T Pulley Teeth: 11T Pulley Cage: SGS Cable Adjuster: Yes Sunken Type Pulley Bolt: YesA 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.