@thormxofficial is sponsoring the #SantaClaraSX round of Racer X MotoDynasty Fantasy Supercross and will be giving out prizes to the winners of both classes. Sign up for a chance to win. Link in bio. #Supercross #SX #Motocross #Moto #MX #Motorcycle #WhosNext #ThorMX #SXonFOX @supercrosslive @promotocross