SIR CHRIS HOY is a bit of a pedaller. That much we’ve always known, as his six Olympic Gold medals pays testament to, writes Jim McGill. But now the 38-year-old Scot has swapped his bike and two wheels, for a Nissan Nismo (short for Nissan Motorsport) and four wheels: and the petrolhead is targeting the world’s greatest endurance race, the Le Mans 24-Hours.