The following is from Pirelli...
PIRELLI MOTO NORTH AMERICA REDEFINES ROAD RACE DISTRIBUTION IN NORTH AMERICA - ADDS NEW TIRES FOR 2012
Pirelli Motorcycle Tire North America, LLC has reorganized its roadrace distribution and service partnerships effective immediately. Distributor CT Racing will sell and service Pirelli road racing DOT, slick and racing rain tires in the western U.S. and Orion Motorsports will continue to sell product and service customers in the Canadian and eastern US markets.
Beginning in 2012, Pirelli will offer 125 GP/Moto 3 Slick and racing rain tires along with DOT tires (Diablo Rosso II), in sizes for the popular Kawasaki EX250 and Honda CBR250 model sports bikes. For more information about tire selection, prices, track side support and availability please contact either of these Pirelli distributors:
Eastern US and Canada