The SRAM PowerSpline bottom bracket features a proprietary spline design used with many OE spec moderately priced TruVativ cranks.
Model: TruVativ PowerSpline Bottom Bracket
BB Frame Interface: Threaded Internal Bearing
BB Crank Interface: TruVativ Powerspline
BB Shell Size: 68mm English Threaded
Bottom Bracket Shell I.D.: 1.37
BB/Frame Interface: English
BB Shell Width (mm): 68
Spindle Interface Type: Truvativ Power Spline
Spindle Length (mm): 113
Defined Color: Black
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