title: Yannick Granieri and Sam Reynolds visit Polygon factory, channel: Red Bull mountain bike,red bull,red bull rampage,extreme sports,stunts,sam reynolds,motorcycle,action sports,polygon,downhill,backflip,red,animation,wall ride tour,motocross,dirt,football,cartoon,freeride,jumps,slopestyle,top bike,mountain biking,food,board,yannick granieri,mountain,biking,redbull,riding,top 5 crashes,trail,bike sports,granieri,ride,tourist destination,moto,bicycle,factory,cycling,mtb,volcano,dirt jumps,bike sports