Shimano's SLX FC-M7120 12-speed crank produces a chainline of 55mm when ridden with a single chainring. This is 3 mm further out than with FC-M7100-1, which makes the crank is especially suitable for frames with 148 mm over locknut dimension. A direct-mount system is used, which significantly speeds up the process of changing the chainring. Combined with a single chainring featuring Shimano Dynamic Chain Engagement+ technology (not included), good chain retention, efficiency and quietness are guaranteed. Hollow-forged crank arms reduce weight while providing the most efficient power transmission.
Application: Cross Country, Marathon, Tour, All Mountain, Enduro, Downhill
Material crank arms: aluminum
Material crankshaft: steel
Crankshaft diameter: 24 mm
Crank lengths: 165 mm, 170 mm or 175.0 mm
Spider / chainring mount: Shimano Direct Mount
Chain line: 55 mm boost
Q factor: 178 mm
Compatibility bottom bracket: BSA, BB30, Pressfit30, BB92 (optional, not included)
Compatible BSA Shell Width: 68 mm, 73 mm
