Originally Posted by
mtb_addict
What hapeens if the tube is too big and bunches up?
There are some tubes that I can use interchangeably between my 26"x1-3/8" bikes and 26"x1.75" bike. In the latter, an inflated tube can bunch up a little when installing, so I usually put less air in it first. Smoothing it out once it's inside the tire is no big deal.