Okay,here's the deal, I've got an X bicycle Jumper BLizzard.It's a 21 speed mtb,,R&D Russia, Made in America.Now I have both wheels with 26x1.125 tubes.I've fitted 2 inch tyres on both.Now my friend has 2.35 tyres.Ive already bought two, but I wanna know if I can it them on the slightly smaller tube.If you can help,i'll be your well wisher.