Item # BBT-5/FR-11/ Tools / Cassette & Freewheel / Crank & Bottom Bracket
Bottom Bracket / Cassette Lockring Tool — Campagnolo®
When removing and installing bicycle components, having the right tools is essential. The Park Tool BBT-5/FR-11 is designed to fit the tool fittings found on Campagnolo® cassette lockrings and cartridge bottom brackets. Constructed from heat-treated alloy tool steel, the BBT-5/FR-11 features a 1" tool fitting for use with an adjustable wrench, socket, or bench vise.
- Fits 12 spline/approx. 22.8 mm OD tool fittings
- Fits all Campagnolo® cassette lockrings
- Also fits Campagnolo® cartridge bottom brackets including Chorus® and Centaur®
- Base size for socket or wrench is 1" (25.4 mm)
NOTE: The BBT-5/FR-11 is not interchangeable with the FR-1.3, FR-5.2, or FR-7. Each tool fitting has its own unique tool profile.
NOTE: To determine your cassette / freewheel type and the appropriate tool for it, please see Determining Cassette / Freewheel Type.
Below is a filterable table of bottom bracket models the BBT-5/FR-11 is compatible with. For a full list of tool compatibility, see our Bottom Bracket Tool Finder.