Hi SophiesDad, welcome to the forum. Like many of the wheel-hub motored bikes, the Salisbury is naturally restricted by it being designed with the motor's maximum speed on the supply voltage corresponding to the legal limit.
It's some of the more powerful models that are also sold in the USA and similar higher speed markets which are designed to run out of speed at about 20 mph and therefore have to be restricted for European sales.
Upping the voltage supplied will make the Salisbury run faster, the gain directly proportional to the voltage rise, but it would almost certainly need a suitable controller to do that.
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Last edited by flecc : 9th September 2008 at 22:53.
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