SRAM RED FC-RED-D1 2 X 12 SPEED CRANKSET, X-RANGE, DUB, 175MM, 48-35T, ROAD
Unique chainring design results in a lighter weight, stiffer, more durable crankset. CRANK ARM LENGTH: 175mm. X-Range™ gearing technology gives you more range and a smoother gear progression, so you’re always in the right gear.