The 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 Interface: English
  
• Weight: 363g.
  
• Color: Black