SHIMANO

Crankset Shimano ZEE M640

Crank length (mm):

Gear combination:

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 NOFC-M640
SERIESZEE M640 Series
ColorSeries color
Average weight807 (34T) 817 (36T) 828 (38T)
Rear speeds10
Compatible chainHG-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 arms4
Chainring combination34T, 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-FitSM-BB71-41A
Threaded bottom bracket shell width (mm)|68
Threaded bottom bracket shell width (mm)|73
Crank fixing screw included