Park Tool BBT-5 Bottom Bracket/ Cassete Lock Ring Tool

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.