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rotation

  1. fizzydx

    How is the top speed limited? back wheel rotation or engine rpm?

    As the tittle says really, i own a Tuono R Gen 2 and would like to know what the top speed is limited to, and is this limited by engine rpm or rear wheel rotation, or something else, if it's rpm, what rpm is the limit and in what gear, the reason i ask is because at the moment i have 15/40...