SRAM S650 SQ Taper C3.0 175 483828 Crankset (Black)
1-piece forged aluminum crankarm/spider to compliment X.4/X.5 8/9sp drivetrains 4-arm steel rings with shift pins/ramps, steel chainring bolts, and steel M8 capless crank/BB bolts (48.5mm chainline) Choose PowerSpline or JIS square taper bottom bracket interface: 113/118mm for 48.5/51mm chainline *(sold separately) 895g (with BB)