I have a Specialized PVO (Presta Valve Only) pump. It works ok but it takes a bit of time to get it to 100 psi. One other thing I carry is a presta to schrader adaptor. It lets you use a gas station compressor on your presta valve. Cost 99 cents at the LBS.
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Wish I didn't know now what I didn't know then. - Bob Seger