2017 Monster Energy Supercross Finals 450SX Main in Las Vegas, NV

Dramatic highlights of the 2017 Monster Energy Supercross 450SX Main Event in Las Vegas, Nevada. HOW TO WATCH LIVE ► US & Canada: ► International: Monster Energy® AMA Supercross, an FIM World Championship, is the premier off-road motorcycle racing circuit in the world, produced with man-made tracks inside the world’s most elite stadiums. Follow fan favorites Ken Roczen, Eli Tomac, Trey Canard, Jason Anderson, Chad Reed, David Millsaps, and former riding greats like Ryan Dungey, Ryan Villopoto, Jeremy McGrath and Ricky Carmichael. Watch all the riding action, highlights, interviews and behind the scenes exclusive content for Monster Energy® Supercross, the most thrilling action sport on the planet! ► Get official merch at ► Buy Live Event Tickets: Follow Monster Energy Supercross: