no he doesnt run it up concrete ramps but he is hard on his stuff ! the fact its peeling off the bottom in huge strips like wallpaper is very strange. its had about 8 months use !!!!!!! not sure that fs / fr would make much difference to that but i may be wrong .it was reinforced from new .i ride with him a fair bit and watching it go from brand new to this made me cry and i dont even own it lol