- Superior chain retention
- Special MTB gear teeth profile improves chain engagement and retention
- DYNAMIC CHAIN ENGAGEMENT+
- Rigid and lightweight design for aggressive trail riding
- Hollow forged crank maximizes power transfer while limiting weight
- HOLLOWTECH II
- Q-factor: 178 mm
- Chainline: 55 mm
- Weight: 616 g (28T), 630 g (30T), 628 g (32T), 642 g (34T), 660 g (36T)
TECHNOLOGIES
PRODUCT SPECIFICATIONS
| MODEL NO | FC-M8120-1 |
|---|---|
| SERIES | DEORE XT M8100 Series |
| Color | Series color |
| Average weight | 660 g (36T), 642 g (34T), 628 g (32T), 630 g (30T), 616 g (28T) |
| Chain line (mm) | 55 |
|---|---|
| Chain ring combination | 28T, 30T, 32T, 34T, 36T |
| 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 | ✔ |
| Crank arm length (mm)_180.0 | ✔ |
| Gear arms | 4 arm |
| HOLLOWTECH II | ✔ |
| Optional chain guard_Without chain / bash guard | ✔ |
| P.C.D. (mm) | Direct |
| Rear speeds | 12 |
| Recommended BB_Pressfit | BB-MT800-PA |
| Recommended BB_Threaded (normal) | BB-MT800 |
| Threaded BB shell width_68mm | ✔ |
| Threaded BB shell width_73mm | ✔ |
| Q-factor (mm) | 178 |
SERIES LINE-UP
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Brake SHIMANO DEORE XT FLAT MOUNT Disc Brake Caliper
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Bottom Bracket SHIMANO DEORE XT Threaded Bottom Bracket 68/73 mm shell width
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Front Derailleur SHIMANO DEORE XT SIDE SWING Front Derailleur (Clamp Band Mount ) 2x12-speed
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Shifting Lever SHIMANO DEORE XT Right Shift Lever I-SPEC EV 12-speed
REPLACEMENT PARTS
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Chainring Chainring 36T for FC-M8100-1/FC-M8120-1/FC-M8130-1
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Chainring Chainring 34T for FC-M8100-1/FC-M8120-1/FC-M8130-1
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Chainring Chainring 32T for FC-M8100-1/FC-M8120-1/FC-M8130-1
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Chainring Chainring 30T for FC-M8100-1/FC-M8120-1/FC-M8130-1
