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My concern with the extension..... Loss of air while attaching and removing it.
I keep one of these with all my bikes that need one. I do not have any problems with air loss - even with the air shocks on Road King and Sportster that have a very small volume of air. The difference between open and closed on the schrader valve when removing the extension is less than a full turn. I check my air pressure like a kardashian checks the mirror.
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