Park Tool, BBT-5/FR-11, Cassette lockring tool, Campagnolo also used as a bottom bracket tool for old cartridge style

Description

* 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