Lum, I find if the pump head is set up for Schrader and you use a presta to Schrader adapter, the pump head works best.
https://www.mec.ca/en/product/4000-588/Presta-Cycling-Valve-Adapter Ian A, last post on the subject +1. -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/rbw-owners-bunch. For more options, visit https://groups.google.com/d/optout.
