Replacement metal inner for BSD Jersey Barrier Hub Guards. Version 1 : Fits Odyssey, WTP, Shadow, Sputnic, Macneil cassette hubs etc. Version 2: Fits Primo Mix cassette Hub. Version 3: Fits Profile and Madera cassette hubs. Ratchet Version: Fits G-sport Ratchet hub. Marmost version: Fits G-sport Marmoset front hub. Vandero 2 Version: Fits Odyssey Vandero 2 front hubs. BSD Front Version: Fits BSD front hubs. BSD Rear Version: Fits BSD rear hubs.