I ride in winter all the time because I use a freaking snowmobile. Riding a bike on ice? You could put paddles and pontoons on and ride on water too, but since they make boats why would you? You could probably cobble some wings and a fan blade on and fly a motorcycle too, but since they make airplanes, why TF would you?"Seriously - we have guys up in Alaska and Canada who are still riding."
Fine, as long as they are riding in the middle of nowhere. John there lives in Cleveland. I said it before and it is worth repeating that anyone that rides on snow and ice in an urban area is a complete idiot. ShingleJohn, it is much better to be depressed than run over by a truck that can't stop. DO NOT listen to people that say it is safe. It isn't. Wait until the roads are dry and then ride. Don't be an idiot.