Tretta's AWD mountain bike
Tretta's AWD city bike
Tretta's AWD cyclocross bike
Tretta's AWD beach cruiser bike
Japanese bicycle manufacturer Tretta is looking at selling its 2-wheel-drive bicycles in North America
Although they’re very seldom seen, 2-wheel drive bicycles have existed in one form or another almost as long as their traditional rear-wheel-drive counterparts. While most of them have been one-off experiments or short-run production models, Japanese bicycle manufacturer Arte Co Ltd has decided to give the 2WD thing a shot nonetheless, with its Tretta AWD Bicycle line-up.
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