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 1x12 and 2x12, with 38-28T chainrings available. On offer are 165, 170, and 175mm crank arms.
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FEATURE
- Front double
- Combine wide range and close gear steps
- Alloy inner chainring is installed with outer chainring by bolts
- New drive system
- Special gear teeth profile designed for MTB riding usage
- Crankset can be used as common component
BENEFIT- Q-factor: 168 mm
- Chainline: 51.8 mm
- Faster acceleration
- Smoother driving even over bumpy terrain
- Lighter and stiffer design & easy exchangeable chainring by direct mount and one key release
- Exchangeable of single and double chainring by direct mount
TECHNOLOGIES
PRODUCT SPECIFICATIONS
| MODEL NO | FC-M9120-B2 |
|---|---|
| SERIES | XTR M9100 Series |
| Color | Series color |
| Average weight | 616 g |
| Chain line (mm) | 51.8 |
|---|---|
| Chain ring combination | 38-28T |
| Compatible BB type | Outboard |
| Compatible chain | CN-M9100 |
| Crank Arm Length | 165 mm, 170 mm, 175 mm |
| Crank fixing bolt included | ✔ |
| Gear arms | 4 arm |
| 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 | 68 mm, 73 mm |
| Q-factor (mm) | 168 |
SERIES LINE-UP
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Bottom Bracket SHIMANO XTR Threaded Bottom Bracket 68/73 mm shell width
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Front Derailleur SHIMANO XTR SIDE SWING Front Derailleur (Direct Mount ) 2x12-speed
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Front Derailleur SHIMANO XTR SIDE SWING Front Derailleur (E-type Mount ) 2x12-speed
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Crankset SHIMANO XTR HOLLOWTECH II MTB Crankset 162 mm Q-Factor 1x12/11-speed
REPLACEMENT PARTS
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Chainring Chainring 38T for FC-M9120-B2
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Chainring Chainring 28T for FC-M9100-2/FC-M9120-B2
