Watch Adam Cianciarulo Main Event from round 13 of the 2017 Monster Energy Supercross Series in St. Louis, Missouri.
Shot 100% on the HERO5® camera from http://GoPro.com
For full event results visit: http://www.supercrosslive.com
GoPro: Adam Cianciarulo Main Event 2017 Monster Energy Supercross from St. Louis
