All of us who know Chris realize quite comfortably that even the sky is not the limit to his lunacy. This video is testimony to the belief. Chris rides his bike with spiked tyres in a bobsled tunnel. The unusually thing (apart from someone riding a bike in that snow track) here is that there is a bobsled coming at fell speed from the opposite direction and Mr. Pfeiffer has to evade it while riding on slow, or he’d turn into dead meat. We are sure you would enjoy this incredible vid