Some of the higher end tubes now have Hulky Roberts (sp?) valves. Most stores that sell Supercats, etc, will carry the adapters to fit a hand pump. These valves fill and empty faster than normal tire valves.
Some of the higher end tubes now have Hulky Roberts (sp?) valves. Most stores that sell Supercats, etc, will carry the adapters to fit a hand pump. These valves fill and empty faster than normal tire valves.