FEATURES
- 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)
PRODUCT SPECIFICATIONS
MODEL NO | FC-M8120-1 |
---|---|
SERIES | DEORE XT M8100 Series |
Color | Series color |
Average weight | 616 (28T) 630 (30T) 628 (32T) 642 (34T) 660 (36T) |
Rear speeds | 12 |
---|---|
Compatible chain | HG 12-speed |
Chain line (mm) | 55 |
O.L.D.|Thru (mm) | 148 |
O.L.D.|QR/Nut (mm) | 141 |
P.C.D. (mm) | Direct |
Spider/gear arms | 4 |
Chainring combination | 28T, 30T, 32T, 34T, 36T |
Q-factor (mm) | 178 |
Crank arm length (mm)|165 | ✔ |
Crank arm length (mm)|170 | ✔ |
Crank arm length (mm)|175 | ✔ |
Crank arm length (mm)|180 | ✔ |
Optional chain guard|Without chain/bash guard | ✔ |
HOLLOWTECH II | ✔ |
Compatible bottom bracket type|Outboard | ✔ |
Recommended bottom bracket|Threaded (normal) | BB-MT801 |
Recommended bottom bracket|Press-Fit | BB-MT800-PA |
Threaded bottom bracket shell width (mm)|68 | ✔ |
Threaded bottom bracket shell width (mm)|73 | ✔ |
Crank fixing screw included | ✔ |
Manuals & Technical Documents
REPLACEMENT PARTS