Proprietary spline design popular as OE spec with many moderate-price 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
- Spindle Interface Type: Truvativ Power Spline
- BB Shell Width (mm): 68
- Bottom Bracket Shell I.D.: 1.37
- Spindle Length: 118
- BB/Frame Interface: English
- Defined Color: Black
- Weight: 305