Shimano Alivio M3100 9 Speed Rear Derailleur

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