Tread, sidewalls, beads… [Tires] appear pretty simple, but there’s a lot going on under that smooth black exterior. Your tires are the only things connecting your motorcycle to the road, so it’s critical that they’re in good condition. You already check your tire pressures regularly (you do, don’t you?), but how often do you inspect your buns to make sure they’re road worthy? And do you know what factors determine when a tire is toast?