- Specifically designed to work with the OneUp Components Threaded Top Cap, Rear Hubs, and Aluminum Pedals - Compatible with Shimano, SRAM, SunRace, SunTour and Chris King cassette lockrings, as well as Center Lock rotor lockrings - Hollow core design allows use with all axle types - Works with 1/2" ratchet driver and 24mm wrench
