XTR HOLLOWTECH II MTB Crankset 168 mm Q-Factor 2x12-speed
FC-M9120-B2
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.
FEATURES
- 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
PRODUCT SPECIFICATIONS
| MODEL NO | FC-M9120-B2 |
|---|---|
| SERIES | XTR M9100 Series |
| Color | Series color | Series color |
| Average weight | 616 |
| Rear speeds | 12 (Front double) - 12 (Front double) |
|---|---|
| Compatible chain | HG 12-speed |
| Chain line (mm) | 51.8 - 51.8 |
| O.L.D.|Thru (mm) | 148 |
| O.L.D.|QR/Nut (mm) | 141 |
| P.C.D. (mm) | Direct - Direct |
| Spider/gear arms | 4 |
| Chainring combination | 38-28T | 38-28T |
| Q-factor (mm) | 168 |
| Crank arm length (mm)|165 | ✔ |
| Crank arm length (mm)|170 | ✔ |
| Crank arm length (mm)|175 | ✔ |
| Optional chain guard|Without chain/bash guard | ✔ |
| HOLLOWTECH II | ✔ |
| Compatible bottom bracket type|Outboard | ✔ |
| Recommended bottom bracket|Threaded (normal) | SM-BB93 | SM-BB93 |
| Recommended bottom bracket|Press-Fit | SM-BB94-41A | SM-BB94-41A |
| Threaded bottom bracket shell width (mm)|68 | ✔ |
| Threaded bottom bracket shell width (mm)|73 | ✔ |
| Crank fixing screw included | ✔ |
TECHNOLOGIES
Manuals & Technical Documents
REPLACEMENT PARTS
