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
• BB Shell Width (mm): 68
• BB/Frame Interface: English
• Bottom Bracket Shell I.D.: 1.37
• Defined Color: Black
• Spindle Interface Type: Truvativ Power Spline
• Spindle Length: 118