The BBT-5/ FR-11 removes and installs all Campagnolo® cassette
lockrings (including 11-speed). The BBT-5/FR11 uses a 1" hex shape,
and can be used with the FRW-1.
The BBT-5/FR-11 also fits the splined 12-tooth Campagnolo® bottom
bracket cups found on the square type spindle systems (Campagnolo®
Record™, Chorus™, Centaur™ and Athena™ )