I completely agree with Reg.
Hello, I have been looking around for some fast tyers for my Vana handcycle ,have been using schwalble stelvio,but these seem to be discontinued , I have tried duranos but dont seem as fast . look ing at sjs I have found these http://www.sjscycles.co.uk/schwalbe-ultremo-zx-hs380-evo-folding-tyre-20-inch-(451)-prod27489/ but there out of stock so no info .any ideas please?