Belt-driven bicycle with a compact design that, like STRiDA, featured a belt drive. Other folding-bike manufacturers that have implemented a belt drive include U.S. company Bike Friday and Netherlands-based Bernds. In 2007, Gates Corporation developed a high-modulus synchronous belt and sprocket system called the Carbon Drive System. The belt’s pitch allowed for lower tension requirements to help prevent skipping. Lightweight, patent-pending sprockets have mud ports, openings under each tooth, which work to slough off debris. In 2009, an increasing number of bicycle companies, including Trek and "f"8 Cycles, offered belt-driven bicycles. While builders initially focused on single-speeds and internal hubs, in early
Trek Bicycle Corporation at the World Cup level." In 2014, the UCI unified the two classifications into a single classification in line with regulations for current track pursuit bikes. Following the change in the rules, German Jens Voigt became the first rider to attempt the hour record, on 18 September 2014 at the Velodrome Suisse, Grenchen, Switzerland on a Trek bicycle. He set a new record of 51.110 km, beating the previous record set by Sosenka by 1.410 km. For the year 2010, Trek teamed with multiple suppliers to provide eco-friendly products. This includes brand new bikes that are economically priced and are