The Shimano DEORE FC-M6100-1 crank features an entirely new construction, using direct mount chainrings, special gear tooth profile for improved chain retention, and a 172 mm Q-factor that is compatible with 142 mm or 148 mm O.L.D. frames.
SPECS:
- Length: 170 mm
- Gears: 30T
- Speeds: 1x12-speed
- Compatible chain: HG+ 12-speed
- Direct Mount chainring
- O.L.D.: 142/148 mm
- Chain line: 52 mm
- Q-Factor: 172 mm