Originally posted to ydnar.vox.com in December 2007.

On Sunday Beau and I rode up the Marin headlands to film a long skid from the top. Since we’re good at math, our calculations for how long the tire would actually last were, in fact, wrong. Physics was working against us and the skid blew early. Fortunately, we had enough footage to fit the tune and this is what we ended up with: