Truvativ Powerspline Spline Bottom Bracket Biography athletic cut offers extra usability

athletic cut offers extra usability thanks to expandable cuffs for larger boots and articulated knees for easy movement

brushed Soft-Touch next-to-skin feel

no glue is needed for installation

providing welcome warmth for your hands on high altitude or polar expeditions

Axle and Spindle Vise Inserts

Truvativ Powerspline Spline Bottom Bracket Biography athletic cut offers extra usabilityThe Truvativ SRAM PowerSpline bottom bracket features a proprietary spline design used with many OE spec moderately priced TruVativ cranks. A tough bottom bracket that will go as hard as you Heat treated chromoly 12 spline spindle Able to go the distance with even the most demanding riders Crank bolts are included Spindle Interface Type: Truvativ Sram Power Spline BB Shell Width: choose; 68mm, or 73mm Bottom Bracket Shell I. D.: 1. 37 BB Frame