Videos Watch: “Two Guys, One Bike!” Seth & Phil’s Tandem MTB Adventure By Skills With Phil March 20, 2017 Seth Bike Hacks and Phil Kmetz take to the Santos fat tire festival on a tandem MTB. Neither of us have ridden a ridden a trandme mountain bike and In this adventure things quickly get out of hand on this human velocipede! Share This: Tweet Skills With Phil Mountain bike skill tutorials hosted by Pro downhill racer Phil Kmetz. Explore and master the techniques behind mountain bike skills with easy to follow videos. Subscribe! Enter your email address to receive our top stories via email each week.