Shimano FC-M315 Crankset

* FC-M315-2 double crankset for 7 and 8 speed drivetrains* Simpler and faster shifting than triple cranks* 22-36 gearing, perfect for trail riding* 48.8mm chainline, designed for 135mm QR and 142mm thru-axle frames* Aluminum crank arms* Highly durable riveted steel chainrings* Crank bolts included* Requires LL123 square taper bottom bracket