Can't run outside in the snow? Think again. I flew up the first hill with surprising ease and power. The Yaktrax gripped into the ice like racing spikes on a rubber track. Sweeeeet.
So which one is best for you? It boils down to the aforementioned questions only you can answer and, ultimately, to what extent you will use it as a tool for winter cycling fitness.
Byrn won’t hold your hand through the long hours and miles required finishing or for success in an IM, he can only show you how to get there. The work is up to you.