DESCRIPTION
Option:
1, Crankset only
2, Crankset + BB: come with SM-BB52 bottom bracket
——————————————————————————
Model: FC-M610
Level: Deore
Color: Black
Speed: 3x10 Speed
Chainring: 42-32-24T
Compatible chain: HG-X 10-speed
B.C.D.: 104/64 mm
Arm length: 170mm
Bottom bracket type: Hollowthch II
Recommended bottom bracket: SM-BB52
——————————————————————————
Model: SM-BB52
Type: Hollowthch II
Shell thread: BC1.37" x 24T
Shell width: 68/73mm
Fits Hollowtech II spindle
Sealed cups keep out dirt and water
Maintenance free, easy installation
With better sealing and rotation
Delivers high driving efficiency