SHIMANO OCTALINK MTB Crankset 3x10-speed

FC-T521

FC-T521

SHIMANO - OCTALINK - HOLLOWTECH - MTB Crankset - 3x10-speed

Based on the premium SHIMANO DEORE XT and DEORE LX trekking product line, the FC-T521 offers 3x10 speed gearing and uses an OCTALINK bb interface. It includes an integrated chain guard.

  • 10-speed Trekking crankset
  • Following XT/LX trekking product concept
  • Stable and smooth shifting performance
  • Simple and sturdy design
  • Integrated appearance of chain guard
  • Rigid and lightweight by HOLLOWTECH, OCTALINK
  • OCTALINK construction FC: 48-36-26T with CG/44-32-24T with CG available
  • Recommended BB-ES300

TECHNOLOGIES

PRODUCT SPECIFICATIONS

MODEL NO FC-T521
SERIES SHIMANO
Color Black | Silver
Axle length of BB-UN/ES (mm)_Threaded (chain case) 121-AK
   
Axle length of BB-UN/ES (mm)_Threaded (normal) 121-AK
Arm adapter
Chain case compatible
Chainring combination 48-36-26T 44-32-24T
Compatible bottom bracket type_OCTALINK
Crank fixing screw included
Crank arm length (mm)_170
Crank arm length (mm)_175
Spider/Gear arms 4
HOLLOWTECH crank arm
OCTALINK
Optional chain guard_With chain guard
Optional chain guard_Without chain/bash guard
Recommended bottom bracket_Threaded (normal) BB-ES300
Stainless chain guard fixing screw
Threaded bottom bracket shell width (mm)_68
Threaded bottom bracket shell width (mm)_73
Q-factor (mm) 185.8
Chain line (mm) 50
Compatible chain HG-X 10-speed
P.C.D. (mm) 104/64
Rear speeds 10

REPLACEMENT PARTS

  • Chainring Chainring 48T for FC-T521 (for 48-36-26T)
  • Chainring Chainring 48T for FC-T521 (for 48-36-26T) (with C/G)
  • Chainring Chainring 44T for FC-T521 (for 44-32-24T)
  • Chainring Chainring 44T for FC-T521 (for 44-32-24T) (with C/G)