SHIMANO DEORE XT HOLLOWTECH II MTB Crankset 178 mm Q-Factor 2x12-speed
FC-M8120-B2
SHIMANO DEORE XT - HOLLOWTECH II - MTB Crankset - 178 mm Q-Factor - 2x12-speed
The SHIMANO DEORE XT FC-M8120-B2 crank features an entirely new construction, using direct mount chainrings, special gear tooth profile for improved chain retention, and a 178mm Q-factor.
FEATURES
- Rigid and lightweight design for aggressive trail riding
- Hollow forged crank maximizes power transfer while limiting weight
- HOLLOWTECH II
- Rider tunable
- Exchangeable single/double chainring
- Direct Mount
- Crankset can be used as common component
- Q-factor: 178 mm
- Chainline: 51.8 mm
PRODUCT SPECIFICATIONS
| MODEL NO | FC-M8120-B2 |
|---|---|
| SERIES | DEORE XT M8100 Series |
| Color | Series color |
| Average weight | 662 |
| Rear speeds | 12 (Front double) |
|---|---|
| Compatible chain | HG 12-speed |
| Chain line (mm) | 51.8 |
| O.L.D.|Thru (mm) | 148 |
| O.L.D.|QR/Nut (mm) | 141 |
| P.C.D. (mm) | Direct |
| Spider/gear arms | 4 |
| Chainring combination | 36-26T |
| 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 | ✔ |
