21. Bridgestone offered belt drive bicycles in the USA until they left the market about 1994. 22. The Victory uses a five-speed transmission and belt drive , as well as cast aluminum wheels. 23. A belt drive from the engine drives the radiator fan, the air compressor and the alternator. 24. These later examples could be had with rear chain drive ( instead of belt drive ). 25. The truck can be configured to be a direct belt drive , or a hydraulic drive system. 26. Toothed belt drives are designed to avoid this issue by operating at a constant pitch radius. 27. Other examples of devices which use the wheel and axle are capstans, belt drives and gears. 28. The engine was mounted forward of the handlebars with a leather belt driving the front wheel. 29. It had friction transmission and belt drive . 30. With a low maintenance belt drive instead of the usual chain, the Sportster is easy to maintain.
