From a press release issued by Pirelli: After three years of good results and strong commitment Pirelli has been confirmed as Official Tyre Supplier for the Parts Canada Superbike Championship. The contract has been renovated until 2011 and proves once again Pirelli is the best partner for a spec. Tyre Championship, as the WSBK now at the 5th ‘Pirelli season’ shows with a constant increase of media and public.