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Trek Chainless Bicycles

Trek Chainless Bicycles
Gear | Bike
Trek Bicycle realsed two models that are chainless, they use a belt drive instead of a chain most often found in things like motorcycles and snowmobiles. While some smaller custom bike makers have used them before, Trek is the first to use the technology for mass-produced bicycles. The lighter and longer-lasting carbon-fiber composite belts won't rust, can't be cut, won't stretch or slip and won't leave grease marks around your ankles. And the new belts are a low-maintenance solution to a chain, which has roughly 3,000 parts including all the links and connectors. Trek's chainless bike, called the District($930) is a single-speed, complete with a silver body, orange accents and brown leather seat and handles. The other, called the Soho ($990), is an eight-speed bike that uses an internal hub to adjust the speed rather than gears.

Cnn Via Makezine