A high quality Campagnolo square taper bottom bracket that runs on three sealed cartridge bearings; two on the drive side and one on the non-drive side.Fits square taper versions of Centaur, Veloce and Mirage chainsets. Will also fit 1993 and later Athena square taper and pre-1995 Record and Chorus cranks.Does also fit Daytona and Racing Triple chainsets which are symmetrical, with no drive side offset.The unique axle taper on this bottom bracket means that they are not compatible with Shimano.**FEATURES:*** **Cup thread:** BSA (1.37" x 24 tpi) or Italian (36mm x 24 tpi)* **Material:** 7000 series aluminium alloy* **Axle:** 16mm Heat Treated Hollow chromoly axle* **Axle length:** 111/115mm with no offset* **Weight:** 233g (111mm)**CAMPAGNOLO PART NUMBERS*** CP826: BB5-CE1G (111mm BSA)* CP827: BB5-CE1I (111mm Italian)* CP828: BB6-CE5I (115mm Italian)* CP829: BB6-CE5G (115mm BSA)