Built for for £4K: Dan Steward's Triumph 5TA Desert Sled... Ed Turner -- Triumph's legendary designer and director -- launched the original Speed Twin 5T at the 1937 National Motorcycle Show. The 500 parallel-twin was lighter and more powerful than many singles of| BikeBound
A Spring-Frame, Square-Barrel TR5 Trophy from Ton Up Classics... In the 1950s, Triumph dealer Bill Martin designed a spring frame for desert racing in Southern California. Production began in 1952, while Triumph wouldn't offer a swingarm frame until 1954. It didn't take long for Martin's| BikeBound