Heat treated alloy tool steel, one inch base fits wrench or bench vise. Thin wall construction allows use without removal of cones and locknuts.
. Fits all Campagnolo cassette lockrings. Fits Campagnolo RecordT, ChorusT, CentaurT and AthenaT bottom brackets. Outside diameter of the BBT-5/FR-11 is 22.8mm, and has 12 splines.
