Heat treated alloy tool steel, one inch base fits wrench or bench vise. Thin wall construction allows use without removal of cones and locknuts.

BBT-5/FR-11 Features

• Fits all Campagnolo cassette lockrings
• Also fits Campagnolo Record, Chorus, Centaur, and Athena bottom brackets
• The outside diameter of the BBT-5/FR-11 is 22.8mm and has 12 splines