Originally Posted by
fietsbob
I bought 2 pumps 30+ years ago, a Medai for schrader , & a Silca Track Pump for Presta..
both use Leather cups, which get boot grease occasionally , to keep the leather soft..
[ I have a gloriously comfortable sleeping bag with a down filled air mattress as its bottom..]
I'm still using my 32 year old Silca Track pump. It sat for almost thirty years, so I greased the leather cup, and replaced the insert in the chuck with a new polymer one from the new Silca in the U.S. Works great.