Pictured is an Ascot-Pullin 499cc custom motorcycle on display in the Haas Moto Museum and Sculpture Gallery in Dallas, Texas. Ascot-Pullin 499cc custom motorcycle. Ascot-Pullin Motorcycles was a British motorcycle manufacturer founded by Cyril Pullin as the Ascot Motor & Manufacturing Co Ltd. at Letchworth, Hertfordshire in 1928. This cycle was expertly restored by Colin Light.