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    Battery Getting Tired?

    The battery on my Oxygen CB is getting tired. Any ideas on the most effective way to go? Grit my teeth and buy a new one? If so, where? Have the old one re-celled(?) if so where? It is - I think - a 36v 13.5 ah seat tube battery.
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    Oxygen City Bike Throttle Control

    My Oxygen City bike has throttle control. The trouble is it doesn't seem to work! If I lift the back wheel off the ground and operate the throttle control, the wheel goes round at something like 1 or 2mph. If I sit on the bike nothing happens. Any ideas, please? Presumably it is some setting...
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    Which Bike For Reliability?

    Hello, newbie here. Which bike has the best reputation for reliability? I am considering buying a bike, so far I have had rides on Kalkhoff, KTM, Wisper, Oxygen and Raleigh. If I buy one and a couple of years down the line, when the warranty has expired and the bike goes wrong and say, the...