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Join Date: May 2008
Location: Fredericksburg, Va
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Bikes: '65 Frejus TDF, '73 Bottecchia Giro d'Italia, '83 Colnago Superissimo, '84 Trek 610, '84 Trek 760, '88 Pinarello Veneto, '88 De Rosa Pro, '89 Pinarello Montello, '94 Burley Duet, 97 Specialized RockHopper, 2010 Langster, Tern Link D8
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I have been using the Prestainflator with some success. Initially it would hold onto the valve body. It works OK now I always check pressure with the Topeak digital pressure gauge.
I never know which gauge is more accurate. The Topeak appears to be off about 2 PSI from what my TPS numbers indicate on the car. Find a number that works, be consistent in process and tools and stick with it
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