Bicycling in the winter is fine. I've ridden across a frozen lake on my commute to school on a mountain bicycle for two winters every weekday. Motorcycling in

Bicycling in the winter is fine. I've ridden across a frozen lake on my commute to school on a mountain bicycle for two winters every weekday. Motorcycling in the winter on a street motorcycle with summer tires, on the other hand, is extremely dangerous.