This is a tough bottom bracket from Truvativ that will go as hard as you. The PowerSpline has a heat treated chromoly 12 spline spindle to make sure it can go the distance with even the most demanding riders.
- Model ID: BB-PS-A1
- BB-Frame Interface: English/BSA 68mm/73
- Crank-BB Interface: Power Spline
- Spindle Length: 118mm Spindle
- Spindle: heat treated chromoly 12 spline