It’s funny how much time we spend on these things without really understanding the principles and forces involved. If you ever ghostrided your bike as a kid you will have an easier time with this. Â Next time you jump on your bike I guarantee you will think of this.

Francis Xavier is a seasoned writer for Unofficial Networks, bringing a lifetime of outdoor experience to his work. Having lived in a ski resort town for years he has a deep connection to mountain culture.... More by Francis Xavier