TruVativ PowerSpline Bottom Bracket – English (BSA) & Crankarms 170mm

TruVativ PowerSpline Bottom Bracket – English (BSA) 73 x 118mm. The SRAM PowerSpline bottom bracket features a proprietary spline design used with many OE spec SRAM cranks. Crank bolts are included. Heat treated chromoly 12-spline spindle to make sure it can go the distance with even the most demanding riders. Works components 3 bolt direct mount chainring included.