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
Edinburgh Bicycle Co-operative Edinburgh Bicycle Co-operative Edinburgh Bicycle Co-operative is a bicycle retailer with three stores across Scotland and two stores in Northern England, and an online store selling worldwide. The co-operative is the longest established worker co-operative in Scotland, having originally been founded as a bicycle repair service in Edinburgh in 1977. In recent years the co-operative has grown to be, arguably, the dominant bicycle retailer in Scotland, with the largest bicycle stores in each respective city. The business offers products from many leadings brands including Specialized, Whyte, Brompton, Kalkhoff, Frog and Giant. The longest established of all Edinburgh Bicycle Cooperative stores