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.
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FEATURE
- Integrated appearance of chain guard
- Rigid and lightweight by HOLLOWTECH, OCTALINK
BENEFIT- 10-speed Trekking crankset
- Following XT/LX trekking product concept
- Stable and smooth shifting performance
- Simple and sturdy design
- 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 | ✔ |
| Chain line (mm) | 50 |
| Chain ring combination | 48-36-26T, 44-32-24T |
| Compatible BB type | OCTALINK |
| Compatible chain | HG-X 10-speed |
| Crank Arm Length | 170.0 mm, 175.0 mm |
| Crank fixing bolt included | ✔ |
| Gear arms | 4 arm |
| HOLLOWTECH crank arm | ✔ |
| OCTALINK technology | ✔ |
| Optional Chain Guard | With chain guard, Without chain/bash guard |
| P.C.D. (mm) | 104/64 |
| Rear speeds | 10 |
| Recommended BB_Threaded (chain case) | BB-ES300-AK |
| Recommended BB_Threaded (normal) | BB-ES300 |
| Stainless chain guard fixing bolt | ✔ |
| Threaded BB Shell Width | 68 mm, 73 mm |
| Includes Crank Arm Fixing Bolt | Yes |
| Q-factor (mm) | 185.8 |