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