SHIMANO ZEE MTB Crankset 1x10-speed

FC-M640

SHIMANO ZEE MTB Crankset 1x10-speed

FC-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
  • 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)

PRODUCT SPECIFICATIONS

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

TECHNOLOGIES