Octane One Warp 1 Integrated Headset Integrated headset Warp-1 came in a most popular BMX standard &8211; Campy spec 45/45. This integrated headset will fit Void 3.0 frame. Build from high quality materials & equipped with sealed bearings. Top cup & crown race made from aluminium. Star nut included. Warp 1 Integrated Headset Specifications: Integrated headset Campy spec 45/45deg, OD 41.8mm Sealed bearings 45/45 Diameter: 1.125” (1.1/8”) Alloy top cup & crown-race Weight: 65g Buy Octane One Warp 1 Integrated Headset from Chain Reaction Cycles, the worlds largest online bicycle store.