TruVativ PowerSpline Bottom Bracket - English (BSA) 73 x 113mm Model=PowerLock Chain Link Self-cleaning properties have also stepped

Self-cleaning properties have also stepped up a level for an even stronger performance in wet conditions

Not compatible with Shimano Di2 E-Tube EW-SD50 wires use EWS-1 for that application

Holds wheelbases up to 47" and tires as large as 3" width

Optimized to work with Shimano Campagnolo and SRAM levers

Excellent grip and performance due to the tread pattern

TruVativ PowerSpline Bottom Bracket - English (BSA) 73 x 113mm Model=PowerLock Chain Link Self-cleaning properties have also steppedTruVativ PowerSpline Bottom Bracket English (BSA) 73 x 113mm. The SRAM PowerSpline bottom bracket features a proprietary spline design used with many OE spec moderately priced TruVativ 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 TECH SPECS Bottom Bracket Shell I. D. 1. 37 BB Frame Interface English BB Shell Width (mm) 73 Weight 363 Spindle Interface