Quote Originally Posted by Running Mommy View Post
me: Hmm. I see that this bike has wheels that will require an extended valve stem (I gesture towards the valve stem and point out the wheel dish) . I want to warn you that when you eventually need to change the tubes on this bike you most likely won't be able to find tubes for it. I don't know why Schwinn did this, and I see it all the time. It's very frustrating but I have tried to find tubes to fit these bikes with the extended valves but they just don't seem to exist. Or at least I can't find them.
Pause . . . .

me: But we can sell you some rim adapters so you can use a Presta stem with your Schraeder wheels.

http://wheelsmfg.com/content/view/513/38/