http://ElectricBikeReport.com/ Having the right pressure in your tires is important because it will make your bike easier to pedal and it will avoid pinch flats. And nobody likes to get a flat :) In this video I show you how easy it is to maintain your tire pressure. Included is how to use both types of valves, shrader and presta, as well as a trick to inflate the tire if the pump is giving you a lot of resistance.