I agree on the difference between 5th and 6th. An 18T front (or 45 rear) with a taller 6th would be about right. Garry * * * * * * * * * * * * * * * * * * * The ST/RS Mailing list is sponsored by Jack Lilley Ltd. http://www.TriumphNet.com/st/lilley for more info http://www.TriumphNet.com/st for ST, RS and Mailing List info =-=-=-= Next Message =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=