HOLLOWTECH ll Crankset
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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 | X |
| Compatible chain | CN-M9100 |
| Crank fixing bolt included | X |
| Crank arm length (mm)_165.0 | X |
| Crank arm length (mm)_170.0 | X |
| Crank arm length (mm)_175.0 | X |
| Gear arms | 4 arm |
| HOLLOWTECH II | X |
| Optional chain guard_Without chain / bash guard | X |
| P.C.D. (mm) | Direct |
| Rear speeds | 12 |
| Recommended BB_Pressfit | SM-BB94-41A |
| Recommended BB_Threaded (normal) | SM-BB93 |
| Threaded BB shell width_68mm | X |
| Threaded BB shell width_73mm | X |
| Q-factor (mm) | 168 |
SERIES LINE-UP
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Free Hub Rear FREEHUB for Disc Brake
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Chain Device Chain Device
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Free Hub Rear FREEHUB for Straight Spoke
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Disc Brake Hose Disc Brake Hose
