You can order a Zefal HPx pump from Amazon and yes they do come in 4 sizes my LHT 52cm took the #3 if I remember right all you need to do is measure your frame there are a lot of places on line that sells Zefal pumps I sure like mine a lot.I don't think you can go wrong with one at all.
Last edited by KDC1956; 12-15-09 at 05:54 PM.