Originally Posted by Chuck M

+1 on the Bontrager. My old pump was a pain to switch from presta to Schrader because I had to disassemble the head and flip the innards. That is why I bought the Bontrager. Mine had a problem where it didn't fit the Schrader valve. I didn't worry about it as I used it for presta and my old pump for Schrader until the chuck failed on the old one. I contacted Trek to see if I could buy a new chuck and they sent a new hose and chuck free even though I didn't have my proof of purchase any longer and it may have even been out of warranty.