Man do I hate potholes. And they are alllll over philadelphia. I must have popped about 8 tires this summer already. I kept buying new ones but now I patched them all up so I have about 6 spares. I keep two spare tubes and some irons in my seat bag on my bike at all times with a frame pump. It has saved my ass a long walk home so many times. Ive also gotten pretty fast at the whole tube changing process.