Pedros Pro Cassette Lockring with pin

This Pro Cassette Lockring Socket uses guide pins to help keep it aligned while you work on a suitable HG-style lockring.

The profile is 12 splines with a 23.5mm outside diameter. Drives are 3/8-inch square and 24mm external. Compatibility depends on the lockring and axle clearance, including suitable HG cassette and disc-lockring applications.