Originally Posted by Bikewer
At your size (and mine...) you do have to be careful of those sharp edges. Potholes, steel construction covers, that sort of thing.
If your streets are an obstacle course, you might try heavier tubes and/or reinforced tires.
I'm not dealing with sharp edges, just patchwork on the roads that will make for some bumping. There is a place they recently put in those big steel covers, but they all have blacktop around them, eliminating the sharp points.