 
          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
