Sweat! Paying attention to it can help you be a better cyclist. This week we're joined in the basement by special guest Dr. Allen Lim, who explains how to hydrate for your own sweat profile. It's all a bit more complicated, and yet also more simple, that it first appears.

But first, Caley, Neal and Allen talk through the first few stages of the Dauphine, and Allen provides some insight into how pros time their form ahead of the Tour de France.