Demolition euro bottom bracketdemolitions euro bottom bracket features 4 fully sealed cartridge bearings offering great durability and amazing smoothness compatible with all 22mm axle cranksets this bottom bracket comes with bearing covers a tube spacer and an assortment of washers features compatible with 22mm axles only lightweight aluminium cups 4 high quality sealed cartridge bearings supplied with bearing covers a tube spacer and an assortment of washersbuydemolition componentsfrom