XTR - HOLLOWTECH II - MTB Crankset - 168 mm Q-Factor - 2x12-speed
The SHIMANO XTR FC-M9120-B2 crank features an entirely new construction, using direct mount chainrings, special gear tooth profile for improved chain retention, and a narrow 182mm Q-factor. The FC-M9120-B2 uses a 51.8mm chain line and can be converted between 1x and 2x, with 38-28T chainrings available. On offer are 165, 170, and 175mm crank arms.
- Front double
- Combine wide range and close gear steps
- Alloy inner chainring is installed with outer chainring by bolts
- Faster acceleration
- New drive system
- Smoother driving even over bumpy terrain
- Special gear teeth profile designed for MTB riding usage
- Lighter and stiffer design & easy exchangeable chainring by direct mount and one key release
- Exchangeable of single and double chainring by direct mount
- Crankset can be used as common component
- Q-factor: 168 mm
- Chainline: 51.8 mm
TECHNOLOGIES
PRODUCT SPECIFICATIONS
MODEL NO | FC-M9120-B2 |
---|---|
SERIES | XTR M9100 Series |
Color | Series color |
Average weight | 616 |
Chain line (mm) | 51.8 |
---|---|
Chain ring combination | 38-28T |
Compatible BB type_Outboard | ✔ |
Compatible chain | HG 12-speed |
Crank fixing bolt included | ✔ |
Crank arm length (mm)_165.0 | ✔ |
Crank arm length (mm)_170.0 | ✔ |
Crank arm length (mm)_175.0 | ✔ |
Gear arms | 4 |
HOLLOWTECH II | ✔ |
Optional chain guard_Without chain / bash guard | ✔ |
P.C.D. (mm) | Direct |
Rear speeds | 12 (Front double) |
Recommended BB_Pressfit | SM-BB94-41A |
Recommended BB_Threaded (normal) | SM-BB93 |
Threaded BB shell width_68mm | ✔ |
Threaded BB shell width_73mm | ✔ |
Q-factor (mm) | 168 |