Attend St. Louis' BiGGEST Supercross Autograph Party to meet your favorite riders and get your gear signed by riders from Yamaha, Honda, Kawasaki, KTM and Suzuki! First 100 people in line receive FREE TSHIRT! Don't miss this BiG EVENT!! YAMAHA: Chad Reed, Cooper Webb, Dylan Ferrandis, Mitchell Harrison, Lorenzo Locurcio & Alex Ray KTM: Ryan Dungey, Marvin Musquin COMPLETE LIST OF RIDERS TBA. Party starts at 4pm. Autographs from 6pm to 7pm. No entry fees. Door Prizes. DJ music. Lots of fun. Get your 2017 Supercross Main Event tickets here