Specification

Brand: SHIMANO
Series: ALIVIO M3100
Model: FC-MT101
Material: aluminum alloy
Gear ratio: 40-30-22T/44-32-22T
Compatible Chain: HG 9 speed
Crank length: 170mm
Rear gear: 9
Gear fixed arm/crank claw: 4
Chain center line: 50mm
Note: Bottom Bracket Included