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Old 04-05-18, 01:13 PM
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Racing Dan
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Originally Posted by noisebeam
I reported earlier it was 26 full strokes to fill an empty 25c tire to 110psi. Tested twice.
Not disputing you finding, but its easy enough to make a pump that does i an half that. However there is no free lunch. Now you need to press down twice as hard. This is determined by the area of the piston.
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