This is what I'm using and have not had a single problem with it! I even use it to pump up my 2.5 size tires...and it works great!

http://www.topeak.com/cgi-bin/SoftCa...99b+1048096463

The coolest part about it...is that you don't have to take it apart to change from presta to shrader valve... Work on both without having to change it!