The main goal of Zilch is to make tire inflation easier. Most pump heads either require you to force the valve through a rubber grommet or to use two hands to operate a locking mechanism on the chuck.

If your bike has Presta valves on its rims or tubes, you'll know that pumping the tires can be a fiddly business. The Zilch floor pump is claimed to address that problem, with head seals that don't ...