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 ...
I know it’s borderline sacrilege around these parts, but I have a few technical problems with Presta valves. Although it seems illogical, keeping bike tires inflated consistently is the last giant ...