Heat treated alloy tool steel, one-inch base fits wrench or bench vice. Thin wall construction allows use without removal of cones and locknuts.
– Fits all Campagnolo cassette lockrings
– Also fits Campagnolo Recod, Chorus, Centaur, and Athena bottom brackets
– The outside diameter of the BBT-5/FR-11 is 22.8mm and has 12 splines