This suits all GXP format SRAM & Truvativ Cranksets, including the SRAM Omnium
Giga X Pipe (GXP)- An external bearing system with 3D forged, heat treated and CNC'd 24mm OD CroMoly spindle integrated with right crank arm; custom cartridge bearings with eight seals and CNC'd alloy cups.
Bottom Bracket: ITA / Italian
Spindle Interface Type: Truvativ GXP
Suits: 70mm Bottom Bracket Shells