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®
• 1" hexagonal base can be used with 1" socket or wrench

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.