title: UCI MTB Champion Aaron Gwin prepares for 2013 Season, channel: Red Bull 2x,trailer,evo,mountain,2012,extreme sports,champion,skateboarding,action sports,motorcycle,uci,snowboard,downhill,skiing,guitar,dragon,red,austin,mark,aaron gwin,jupiter,ski,motocross,dirt,sponsors,fun,top bike,sports,switch,vtt,ttraces,mountain bike,karate,specialized,iran,biking,mountainbiking,redbull,troy,riding,bull,trail,bike sports,jump,mtb,911,lebron,ride,walk,practice,gear,mountain biking,suzuki,nba,training,fox,red bull,2013,troy lee,cycling,interview,product,bmx,bike sports