Aaron Gwin win at Leogang without chainbr Aaron Gwin,aaron gwin,win,leogang,chainless,without chain,world cup,dh,downhill,greg minnaar,austria,fort william,uci,trek,mountain bike,danny hart,mtb,vtt,Downhill Mountain Biking (Sport),Mountain,Bike,Cup,Ride,World,Mountain Biking (Interest)