DESCRIPTION
Option:
1, Crankset only
2, Crankset + BB: come with BB-UN101 bottom bracket
——————————————————————————
Model: FC-M315
Color: Altus
Speed: 2×8 Speed
Chainring: 36-22T
Compatible chain: HG 8/7/6-speed
Arm length: 170mm
Bottom bracket type: Square taper
Recommended bottom bracket: BB-UN101
Recommended bottom bracket axle length: 123mm
Weight: approx 850g
Delivers precise and reliable shifting for 2x7 and 2x8-speed drivetrains
——————————————————————————
Model: BB-UN101
Type: Square taper
Shell width: 68mm
Shell thread: BC1.37" x 24T
Axle length: 123mm
Weight: approx 280g
Square tapered axle
Sealed cartridge keeps out dirt and water
Easy installation
