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Wikipedia definition
1. Bicycle motocrossBicycle motocross or BMX refers to the sport in which the main goal is extreme racing on bicycles in motocross style on tracks with inline start and expressive obstacles, and it is also the term that refers to the bicycle itself that is designed for dirt and motocross cycling.
Read “Bicycle motocross” on English Wikipedia
Read “BMX” on Japanese Wikipedia
Read “Bicycle motocross” on DBpedia

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