A high quality Campagnolo 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.Features:* Unique axle taper, these are not interchangeable with Shimano. * Cup Thread: BSA (1.37″ x 24 tpi) or Italian (36mm x 24 tpi) * Cups are machined from 7000 series aluminium alloy. * 16mm Heat Treated Hollow chromoly axle * Axle length: 111/115mm with no offset. * Weight: 233g (