SPECIFICHE PRODOTTO

N. MODELLO FC-M645
SERIE ZEE M640 Serie
Color Series color, -
Average weight 858 g (38T), 847 g (36T), 837 g (34T)
   
Remarks For 83 mm bottom bracket shell width
2-piece crank construction
Chain line (mm) 57.9
Chain ring combination 38T, 36T, 34T (FC-M640/M645 chainring)
Compatible BB type Outboard
Compatible chain HG-X a 10 velocità
Crank Arm Length 165 mm, 170 mm, 175 mm
Crank fixing bolt included
Gear arms 4 bracci
Optional Chain Guard Without chain/bash guard
P.C.D. (mm) 104
Rear speeds 10
Recommended BB_Pressfit SM-BB71-41C
Recommended BB_Threaded (E-type) SM-BB52
Recommended BB_Threaded (normal) SM-BB52
Threaded BB Shell Width 83 mm
Crank arm fixing bolt_With
Includes Crank Arm Fixing Bolt Yes
Q-factor (mm) 189.7

LINEA DI SERIE

  • Movimento centrale Movimento centrale Press-Fit
  • Freno Corpo del freno a disco idraulico
  • Rotore del freno a disco Rotore del freno a disco con 6 perni
  • Asse del mozzo Asse posteriore E-THRU 12 mm tipo I per battuta 142 mm/148 mm