FC-M523

  • 10-speed DYNA-SYS compact triple crankset
  • Close step triple gear ratio (40-30-22T)
  • Stable shifting performance
  • HYPERDRIVE with HG-X chain
  • Durable middle gear by composite technology
  • Rigid and lightweight by HOLLOWTECH, OCTALINK
  • Color options: Black, Silver

PRODUCT SPECIFICATIONS

MODEL NO FC-M523
SERIES SHIMANO
Color Black | Silver
Bike Type MTB
   
Axle length of BB-UN/ES (mm)_Threaded (normal) 118
Arm adapter
Chainring combination 40
Compatible bottom bracket type_OCTALINK
Crank fixing screw included
Crank arm length (mm)_170
Crank arm length (mm)_175
Spider/Gear arms 4
OCTALINK
Optional chain guard_With chain guard
Optional chain guard_Without chain/bash guard
Recommended bottom bracket_Threaded (E-type) BB-ES300-E
Recommended bottom bracket_Threaded (normal) BB-ES300
Threaded bottom bracket shell width (mm)_68
Crank arm fixing bolt_With
Q-factor (mm) 1828

REPLACEMENT PARTS

  • Chainring Chainring 40T for FC-M523
  • Chainring Chainring 40T-for FC-M523 (with C/G) / FC-MT500 (with C/G)
  • Chainring Chainring 30T for FC-M7000-10-3/FC-M672/FC-M622/FC-M612/FC-M523
  • Chainring Chainring 22T for FC-M523