Guy Martin in the Division C (streamlined motorcycle) category, the Triumph Rocket Streamliner is 25.5 feet long, powered by two turbocharged, methanol fuelled, Triumph Rocket III engines, enclosed in a carbon Kevlar monocoque. A documentary about the attempt was made for Channel 4. His August 2015 crash at the Ulster GP caused the attempt to be postponed until September 2016. Martin's quest to set a new two-wheeled world land speed record was called off due to conditions on the course. The attempt, on the purpose-built 400 mph motorcycle, suffered a number of setbacks at the track at Bonneville Salt Flats, in Utah,
Triumph Speed Triple At the rear was a single monoshock with a progressive linkage, and at the front were standard hydraulic forks fitted with dual disk brakes. In 1994 Triumph Motorcycles sponsored a racing series with the intention of spotlighting its new image. Dubbed "The Speed Triple Challenge", it was similar to IROC in that all the competitors rode identical Speed Triple motorcycles. This made up for the fact that in factory trim the Speed Triple wasn't a competitive machine in normal racing circles. On the other hand, a few privateers had some success on highly modified bikes based on the Triumph Triple