45 tooth idler gear for Galfre Disc Mowers, also fits some of the Tonutti disc mowers. 145mm diameter, 16mm thick with a 80mm bore with circlip groove for mounting the bearing. We sell many replacement parts for the most manufacturers of disc mowers, tillers, finish mowers, spreaders, 3-point hitch hay tedders and sickle bar mowers. If you don't see the parts you need listed please contact us we would love to earn your business. We are listing new items frequently so please check our store often. Part Number: 02.0069.0002.00