New 450SX Competitors in 2021

Monster Energy® AMA Supercross, an FIM World Championship, is the most competitive and highest-profile off-road motorcycle racing championship on the planet. Over 17 weeks between January through May and a million-dollar All-Star Race, Supercross attracts some of the largest and most impressive crowds inside the most recognizable and prestigious stadiums in North America to race in front of nearly one million live fans and broadcast to millions more worldwide. The track takes all the exciting obstacles of o