This bottom bracket shell is designed specifically for the SRAM PF30 bottom bracket. The outside diameter is 2" by 74 mm wide, providing 1 mm for facing after welding. The inside diameter is supplied .5 mm undersized, to 45.5 (1.791"), and must be finished to width and size after fabrication by the frame builder. Machined from 6/4 titanium, it is relieved in the center for weight reduction to 47.24 mm (1.860").
Item sold individually.
Discounts are based on quantities ordered; we do not offer additional dealer discounts.