Re: Tires and tubes that resist flats?
So far my experience off-road has been good. I built my motorized bicycle on a mountain bike frame primarily for off-road use. I am running a 54T sprocket. I have been riding it in the mountains and at some places dirt bikes ride. I am not trying to argue with you just wanted to let others know that off-road is an option for the mb's.
I did spend 7 months building this bike and bought a lot of aftermarket parts to make it more reliable and off-road worthy. It is also a good bike not like the cheaper walmart bikes. To agree with you I wouldn't go off-road with the wally or target bikes (especially cruisers) too.
Here is my bike: