Welcome. Clinton Enterprises are the official merchandisers of Air Asia Moto GP at Silverstone and proud supporters of British Superbike, World Superbike, Irish Road Racing and all forms of Biking and Bikers around the world. We are official Merchandise suppliers for all British Superbike Teams, James Toseland and Leon Haslam. We offer our official merchandise at all major race events in the UK and Ireland - and now offer these items direct to you from this site.