Motorcycles
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Motorcycles in Cycling. Used in motor pacing, they must have engine capacities between 500cc and 1000cc. Each motorbike must carry a roller placed at the back of the rear wheel to stop the other rider from moving too close to the pacer.
Motorcycles meaning & definition 1 of Motorcycles.
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a vehicle with two wheels and an engine
Motorcycles meaning & definition 2 of Motorcycles.