Ok what's the secret to using these. Every time I try to pump up my tire air seems to go out faster than I can put it in. If i push down furher it pushes down on the valve and releases air. I'm using this own a reguaar valve not an extension. Thanks.
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Re: Silca 90 degree Pump Adaptor [Bri]
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sounds like there is not a good seal between the stem and the rubber gasket in the pump head. try wrapping a piece of plastic electrical tape around the stem to increase the diam. and improve the seal. ted
I have found that I need someone to help me pump up my disk wheel with the adapter, one person to hold it on the stem very firmly and aligned properly, and one to pump.