Shimano ZEE FC-M645/M640 Crank/Bottom Brackets Sets
- Thick wall aluminum construction
- Reinforced steel axle with 30% greater stiffness compared to Trail designated crank options
- Steel pedal inserts
- Includes SM-BB52 68/73 bottom bracket
Manufacturer Shimano
Manufacturer Part Number EFCM640CA6X
UPC 689228314115
Model Shimano ZEE FC-M640 Crankset
Crankset Style Mountain
BB Crank Interface 24mm Spindle
Crankset Arm Length 170mm
Color
Black
Rings
36
BB/Frame Interface
English
Number of Chainrings
Single
BB Shell Width (mm)
68
BB Shell Width (mm)
73
Crank Length (mm)
170
Crank Intended Use
Mountain
Drivetrain Speeds
10
Weight
906
Pedal Spindle
9/16"
BB Included
Yes
Spindle Interface Type
Shimano Hollowtech II
Chainring BCD
104
Defined Color
Black