Modern Manx: Blacktrack Motors' custom Thruxton

You don't have to be in your 70s to be moved by the sight of a Norton Manx. It's one of the few motorcycles that can truly be called iconic, and influenced an entire generation of cafe racers. It wasn't just a looker. Bred for racing, it dominated the mythical Isle of Man TT for years, and became a firm favorite for privateers. The 499cc single featured a Featherbed frame, made up to 54 bhp, and weighed a measly 310 pounds (140 kilos). But technology has moved on. And while you can still buy a classic Manx racer, you'd need...