SHIMANO DEORE XT - HOLLOWTECH II - MTB Crankset - 172 mm Q-Factor - 1x12-speed
The SHIMANO DEORE XT FC-M8100-1 crank features an entirely new construction, using direct mount chainrings, special gear tooth profile for improved chain retention, and a 172mm Q-factor.
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: 172 mm
- Chainline: 52 mm
- Weight: 608 g (28T), 622 g (30T), 620 g (32T), 633 g (34T), 651 g (36T)
PRODUCT SPECIFICATIONS
| MODEL NO | FC-M8100-1 |
|---|---|
| SERIES | DEORE XT M8100 Series |
| Color | Series color | Series color |
| Average weight | 608 (28T) 622 (30T) 620 (32T) 633 (34T) 651 (36T) |
| Rear speeds | 12 - 12 |
|---|---|
| Compatible chain | HG 12-speed |
| Chain line (mm) | 52 - 52 |
| O.L.D.|Thru (mm) | 142, 148 |
| O.L.D.|QR/Nut (mm) | 135 |
| P.C.D. (mm) | Direct - Direct |
| Spider/gear arms | 4 |
| Chainring combination | 28T, 30T, 32T, 34T, 36T | 28T |
| Q-factor (mm) | 172 |
| 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 | BB-MT801 |
| Recommended bottom bracket|Press-Fit | BB-MT800-PA | BB-MT800-PA |
| Threaded bottom bracket shell width (mm)|68 | ✔ |
| Threaded bottom bracket shell width (mm)|73 | ✔ |
| Crank fixing screw included | ✔ |
