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
Bicycle mechanic of bicycle components from many different manufacturers. The "Lonely Planet" cycling guide says, "If you want to know more about maintaining your bike... "Richard's Bicycle Book" is a classic. If you want to know absolutely everything get "Barnett's Manual"... or "Sutherland's Handbook."." VeloNews magazine cites Lennard Zinn's best-selling road bike and mountain bike maintenance and repair books as essential for DIY home mechanics. Bicycle mechanic A bicycle mechanic or bike mechanic is a mechanic who can perform a wide range of repairs on bicycles. Bicycle mechanics can be employed in various types of stores, ranging from large department stores to