SHIMANO OCTALINK MTB Crankset 3x10-speed
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.
FEATURES
- 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
PRODUCT SPECIFICATIONS
| MODEL NO | FC-T521 |
|---|---|
| SERIES | SHIMANO |
| Color | Black | Black | Silver | Silver |
| Rear speeds | 10 - 10 |
| Compatible chain | HG-X 10-speed |
|---|---|
| Chain line (mm) | 50 - 50 |
| P.C.D. (mm) | 104/64 - 104/64 |
| Spider/gear arms | 4 |
| Chainring combination | 44-32-24T | 44-32-24T, 48-36-26T |
| Q-factor (mm) | 185.8 |
| Crank arm length (mm)|170 | ✔ |
| Crank arm length (mm)|175 | ✔ |
| Optional chain guard|With chain guard | ✔ |
| Optional chain guard|Without chain/bash guard | ✔ |
| HOLLOWTECH crank arm | ✔ |
| OCTALINK | ✔ |
| Compatible bottom bracket type|OCTALINK | ✔ |
| Recommended bottom bracket|Threaded (normal) | BB-ES300 | BB-ES300 |
| Axle length of BB-UN/ES (mm)|Threaded (normal) | 121-AK | 121-AK |
| Axle length of BB-UN/ES (mm)|Threaded (chain case) | 121-AK | 121-AK |
| Threaded bottom bracket shell width (mm)|68 | ✔ |
| Threaded bottom bracket shell width (mm)|73 | ✔ |
| Chain case compatible | ✔ |
| Stainless chain guard fixing screw | ✔ |
| Crank fixing screw included | ✔ |
