Pump them up once a month?
The pump is ciggie lighter type and battery is normally disconnected because if it's left that long it goes flat. I don't have a foot pump. I want the air I add to stay in the tyres. If the other ones stay up why can't this one?
On the basis this is supposed to be a cycling forum, what about a track pump? They do work.
@hippy started
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Pump them up once a month?