It is finally time to talk big tires.

The subject is all the rage these days, but we’ve been here for a while – riding our thick mountain bike tires on rigid drop bar bikes for years. Nevertheless, we are intrigued by a lot of what is coming to the discourse, especially some of the quantitative testing we are seeing from certain corners of the internet. Most notably, John Karrasch, a.k.a @flexfitbyjohn on Instagram.