Press-Fit PF41 Bottom BracketOur press-fit bottom brackets feature high quality sealed cartridge bearings, giving a solution to the press-fit bottom bracket minefieldKey FeaturesPF bottom brackets are designed to fit bikes with a threadless bottom bracket cup,The bearing cups thread into a centre tube to give a very secure, safe fit (24mm axle version only),Choice of stainless or ceramic cartridge bearings,Ability to convert the bottom bracket to fit Truvativ GXP cranks with a simple shim adaptor,Specific fitting tool required - purchased seperately.Tech SpecsOptions to suit either 24mm or 30mm crank axles,24mm crank axle versions available to suit BB92, BB89.5, BB86.5 and 100mm bottom bracket width for Fat bikes,30mm crank axle version available to suit 89.5, 92, 104.5, 107 and 121mm bottom bracket widths,Available with replaceable stainless or ceramic bearings for less friction and greater durability,Truvativ conversion kit available separately,Cups pressed in and held in place by a screw-in centre tube to prevent slipping and play ***note: No centre tube on 30mm axle option***,Easy to service and replaceable parts,Weight from: 112g.Press-Fit PF46 Bottom BracketOur press-fit bottom brackets feature high quality sealed cartridge bearings, providing a solution to the press-fit bottom bracket minefieldKey FeaturesPF bottom brackets are designed to fit bikes with a threadless bottom bracket cup,The bearing cups thread into a centre tube to give a very secure, safe fit,Stainless steel cartridge bearings,Specific fitting tool required - purchased seperately.Tech SpecsOptions to suit 68mm, 73mm, 83mm and 100mm bottom bracket shell widths,Available to fit 24mm and 30mm crank axles,Available with replaceable stainless or ceramic bearings for less friction and greater durability,Truvativ conversion kit available separately,Cups pressed in and held in place by a screw-in centre tube to prevent slipping and play,Easy to service and replaceable parts,Weight from: 112g.