English Norton model ES2. This is a 500cc open OHV from 1935. Norton had the model 18 as standard model 500cc OHV. The ES2 was the more sporty version of this 18. This motorcycle was set up by the previous owner in race with a large carburettor, large narrow front wheel, large petrol tank, large brakes, Brookland exhaust,... A real rider's bike for both track and track use. With this motorcycle the document of "The Vintage Motorcycle Club LTD" confirmed that authenticity and year of construction.