Shimano Alivio M3100 rear mech, 9-speed, long cage

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