Another Zephal HP/HPX fan. The HPs (discontinued a couple of decades ago were a more durable pump but the current HPXs are not shabby.incorporate frame fit into the handle end (the HP required a peg) and have teh lock-out of the frame-mount spring so you do n ot have to pump against it when you are pumping air. I have HPXs that I have has for years. (And still have an HP or two on bikes.) I went 15 years where my only pumps were the HPs on my bike. They only got replaced when they fell off the bike and cars ran over them. (And for one, I pushed a dowel into the tube and pushed out the dent, did my best to straighten the handle and used it for quite a few more years. It had a nice ergonomic arc to the handle motion.)

I've never owned (and maybe once used) a Silca so I have no wisdom there other than I have bailed out Silca owners a number of times and have yet to need their pumps. And if you run over them, they break, Car or bike, I've seen both.

Ben