the thing I don't like about schrader is the rubber part of the stem is exposed and vulnerable. If that part gets a leak, then the tube is done because the patch won't do a very good job. I'll double check, but I think I got my tube from the local bike store, which supposedly sells good stuff. Anyways, I'm switching to presta. I think the valves are more suitible for road bikes for their thinner neck and their sturdy construction at the valve stem. Plus, I don't think I will have to worry about yanking the pump clamp off of the valve anymore.