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.