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DIY: Bicycle tube repair leak at the base of the valve. Is it possible to patch a big hole? - YouTube
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26PCS Bike Pump Adapter - Schrader Valve, Presta Valve, Dunlop/Woods Tyre Valve Adaptor, Bicycle Tire Pump Adapter(AV DV SV) with Ball Pump/Air Pump/Compressor Adapter for Mountain Road Bike Toy Ball : Amazon.co.uk:
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