Tag: Chain

Bicycle engineering methods pioneered in the nineteenth century are still used to this day. The double diamond frame is the best example. Pneumatic tyres are another. Close behind is the chain drive system of propulsion. The belt-drive system is an alternative which offers both mechanical and practical differences which may be more suitable for the 21st century pedaler. What is a Belt Drive? The belt drive is a replacement for the traditional chain drive system. A one-piece unit made of synthetic materials, reinforced with carbon fibre with equally spaced teeth, rotates around a ring at the crank and a single sprocket at the rear wheel.  Propulsion comes via rotating the cranks forward as usual. The tension required is picked up…