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• #2
Perhaps a bike shop?
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• #3
I know they're the devil, I know times are hard, but for 3.50, wouldn't it be easier to just order one?
Or here's another one for 3 quid...
Raleigh 700c x 18/23 Long Presta Valve Inner Tube | Evans Cycles
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• #4
Simple to buy a valve extender from any LBS then it can transfer to any tube you need, should be around a fiver a pair
i need a 700 x 18/25c tube with a 60mm valve