We kick off the second half of our 21SX Preseason with one of the most epic SX nights in the history of the sport. And even tho we only score the 450 class, tonight we have both the incredible 250 & 450 main events from that 2017 night in Las Vegas! 

If you have Facebook, look up our MotoXDream360 group and join the Watch Party. Or click the link below for an epic night of 2017 Supercross from Las Vegas. 

2017 Las Vegas Supercross