• 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