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.
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FEATURE
- FC-M640 68/73mm bottom bracket
- FC-M645 83mm bottom bracket
- Press-Fit bottom bracket compatible
- 34T/36T/38T
BENEFIT- Strong thick-wall 2pcs-crank arm
- Strong steel axle
- Steel pedal insert
- Choices of spec
- 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 g (38T), 817 g (36T), 807 g (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 BB type | Outboard |
| Compatible chain | HG-X 10-speed |
| Crank Arm Length | 165 mm, 170 mm, 175 mm |
| 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 arm |
| Optional chain guard_Without chain / bash guard | ✔ |
| 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 | ✔ |
| Threaded BB Shell Width | 68 mm, 73 mm |
| Crank arm fixing bolt_With | ✔ |
| Includes Crank Arm Fixing Bolt | Yes |
| Q-factor (mm) | 174.7 |
SERIES LINE-UP
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Hub ZEE Disc Brake Front Hub 110x20 mm E-THRU Axle
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FREEHUB SHIMANO ZEE Rear FREEHUB 150x12 mm Thru Axle 11-speed
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FREEHUB SHIMANO ZEE Rear FREEHUB 135x10/12 mm Thru Axle 11-speed
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FREEHUB SHIMANO ZEE Rear FREEHUB 142x12 mm Thru Axle 11-speed
