ZEE - MTB Crankset - 1x10-speed
The ZEE FC-M640 crank is designed for the rigors of gravity riding with thick-wall 2-piece cranks, a strong, steel axle, and steel pedal inserts. Chainrings include 34, 36, and 38T.
- Strong thick-wall 2pcs-crank arm
- Strong steel axle
- Steel pedal insert
- Choices of spec
- FC-M640 68/73mm bottom bracket
- FC-M645 83mm bottom bracket
- Press-Fit bottom bracket compatible
- 34T/36T/38T
- Weight: 906g (FC-M640, 36T, 170mm, without bash guard) 938g (FC-M645, 36T, 170mm, without bash guard)
TECHNOLOGIES
PRODUCT SPECIFICATIONS
MODEL NO | FC-M640 |
---|---|
SERIES | ZEE M640 Series |
Color | Series color |
Average weight | 828 (38T), 817 (36T), 807 (34T) |
2-piece crank construction | ✔ |
---|---|
Chain line (mm) | 50.4 |
Chain ring combination | 38T, 36T, 34T (FC-M640/M645 chainring) |
Compatible BB type_Outboard | ✔ |
Compatible chain | HG-X 10-speed |
Crank fixing bolt included | ✔ |
Crank arm length (mm)_165.0 | ✔ |
Crank arm length (mm)_170.0 | ✔ |
Crank arm length (mm)_175.0 | ✔ |
Gear arms | 4 |
Optional chain guard_Without chain / bash guard | ✔ |
P.C.D. (mm) | 104 |
Rear speeds | 10 |
Recommended BB_Pressfit | SM-BB71-41A |
Recommended BB_Threaded (E-type) | SM-BB52 |
Recommended BB_Threaded (normal) | SM-BB52 |
Threaded BB shell width_68mm | ✔ |
Threaded BB shell width_73mm | ✔ |
Crank arm fixing bolt_With | ✔ |
Q-factor (mm) | 174.7 |