Chorus Square Taper Bottom Brackets

A lightweight hollow axle bottom bracket that runs on three sealed cartridge bearings, two on the drive side and one on the non-drive side.Italian quality and craftsmanship, with light alloy cups and a hollow chromoly steel axle, designed for Record or Chorus square taper from 1995 on.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: 17mm Heat Treated Hollow chromoly axle* AXLE LENGTH: 102mm with no offset* WEIGHT: 220g**CAMPAGNOLO PART NUMBERS**CP810: BB99-CH02IT (102mm Italian)CP811: BB99-CH02BC (102mm BSA)