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
Star Trek VI: The Undiscovered Country Star Trek VI: The Undiscovered Country Star Trek VI: The Undiscovered Country is a 1991 American science fiction film released by Paramount Pictures. It is the sixth feature film based on "Star Trek", and a sequel to the 1966–1969 "" television series. Taking place after the events of "", it is the last film featuring the entire cast of . After the destruction of the Klingon moon Praxis leads the Klingon Empire to pursue peace with their long-time adversary the Federation, the crew of the USS "Enterprise" must race against unseen conspirators with a militaristic agenda. The sixth film in