- Tifosi carbon shelled Campag fit bottom bracket * Cr Mo Axle (102/111mm) * 68mm carbon shell and light alloy cups * ISO Italian taper (Campag) * British or Italian tread * (Includes crank bolts) * Suitable for 2006 Chorus/ Record double chainsets * BSA 1.37 x 24T * Weight: Approx 205g