- Dyna-Sys specific (HG-X) 10-speed mountain drivetrain compatibility
- 4-arm 64/104mm BCD with anodized aluminum outer / composite-reinforced steel middle / steel inner HG-X chainrings with pins/ramps for precise shifting
- Speed: 2×10
- Length:175mm
The Shimano SLX FC-M675 crank set is Dyna-Sys specific for a 10-speed mountain drivetrain. It features hollow-forged, 2-tone aluminum arms with a reinforced spider and an integrated, HollowTech-II (HT2) bottom-bracket spindle for improved power transfer. <p>The 2×10 Cross Country version, a 40/28 ratio, includes a wide-stance bottom bracket cupset with outboard bearings, which offers increased rigidity (fits both 68/73mm with included spacers) and is designed for a 48.8mm chainline.</p>