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: 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: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.
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,.
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.
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