SHIMANO
Crankset Shimano ZEE M640
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Crankset Shimano ZEE M640
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.
FEATURES
- Strong thick-wall 2pcs-crank arm
Strong steel axle
Steel pedal insert
Weight: 906g (FC-M640, 36T, 170mm, without bash guard) 938g (FC-M645, 36T, 170mm, without bash guard)
| MODEL NO | FC-M640 |
|---|---|
| SERIES | ZEE M640 Series |
| Color | Series color |
| Average weight | 807 (34T) 817 (36T) 828 (38T) |
| Rear speeds | 10 |
|---|---|
| Compatible chain | HG-X 10-speed |
| Chain line (mm) | 50.4 |
| O.L.D.|Thru (mm) | 142 |
| O.L.D.|QR/Nut (mm) | 135 |
| P.C.D. (mm) | 104 |
| Spider/gear arms | 4 |
| Chainring combination | 34T, 36T, 38T (FC-M640/M645 chainring) |
| Q-factor (mm) | 174.7 |
| Crank arm length (mm)|165 | ✔ |
| Crank arm length (mm)|170 | ✔ |
| Crank arm length (mm)|175 | ✔ |
| Optional chain guard|Without chain/bash guard | ✔ |
| 2-PIECE CRANKSET | ✔ |
| Compatible bottom bracket type|Outboard | ✔ |
| Recommended bottom bracket|Threaded (normal) | BB-MT501 |
| Recommended bottom bracket|Threaded (E-type) | SM-BB52 |
| Recommended bottom bracket|Press-Fit | SM-BB71-41A |
| Threaded bottom bracket shell width (mm)|68 | ✔ |
| Threaded bottom bracket shell width (mm)|73 | ✔ |
| Crank fixing screw included | ✔ |