see i ride every where to the store its my transportion and its fun and quick i ride on off road to get to where i have to go and by walking i mean i have to walk to the store ect. the problem i have is theres alot of stupid people and i probally ran over a peice of glass but i rode home just fine it was the next day i went to grab my bike at my house and the tire was flat and i found the hole well its more like a slice thats why i think i ran over glass and from what i read those nomorflats are soild tube no air thats why i want them i would not puncture it cause you could stab the tube and it wont do anything although i wouldnt try it cause im not that dumb