.............can anyone enlighten me on the Baylis Wiley "cassette" hub that I am currently offering on eBay (item #160118470386) were these made for three gears as well as for four gears as I am scratching my head for information to reply on a number of enquiries? also have a few other bits 'n' bobs under the screen name << griffks >> regards Griff King-Spooner (London UK)