Truvativ Power Spline Bottom Brackets

The Power Spline system is used by Truvativ. It's a stronger crank to axle attachment than square taper, but a cheaper system to manufacture than ISIS. Therefore it appears in the lower end of the Truvativ crank range.

Truvativ Power Spline Bottom Bracket 68 x 113

81811
!
The Power Spline is Truvativ's mid-range spline system. Stronger than square taper, cheaper than ISIS.

113mm axle length, to suit 68mm bottom bracket shells.  Cromoly heat treated axle. CNC'd steel cups. Sealed cartridge bearings. English thread.

Truvativ Power Spline Bottom Bracket 73 x 118

2721
!
The Power Spline is Truvativ's mid-range spline system. Stronger than square taper, cheaper than ISIS.

118mm axle length, to suit 68mm bottom bracket shells.  Cromoly heat treated axle. CNC'd steel cups. Sealed cartridge bearings. English thread.