Originally Posted by
Folder4life
Get a bottle of slime. I use it and ride in in NYC. I've never gotten a flat yet! It helps keep the tire pressure up too.
I find the opposite to be true...I have a bike that has a factory slime tube with schrader valve in the rear wheel and a Schwalbe presta valve non slime tube in the front. The rear always needs air before the front tire does.
Also they make a helluva mess if you blow one out...
Aaron