Ladies and Gentlemen, it's your U.S. National Champion in Cyclocross, Ryan Trebon, checking in from Belgium, where he's mud-deep in Euro racing and training in preparation for the World Championships in Hoogerheide, The Netherlands on February 1.
Most riders know about Crr, the coefficient of rolling resistance, and most are aware of charts showing which tires are the fastest. And everyone knows that a smaller Crr number means a tire is faster.