Alessi is a 19-year-old from Victorville, Calif., and Coisy is a 23-year-old from Manosque, France.
Competing professionally since 2005, Alessi finished a career-best eighth in the 2008 AMA Toyota Motocross Nationals.
Benjamin Coisy, who recently rode for the Honda Red Bull team in the 2008 Supercross Lites East championship, has already shared the podium with the likes of Chad Reed and Grant Langston. After conquering most of Europe's Major Supercross events including wins at Geneva, Moscow and Madrid, the Five-time French Supercross Champion will race at round one of the British Supercross championship with Alessi, on October 25th at the Sheffield Arena.
Team MCRMX will debut January 5th at the opening round of the 2009 AMA Supercross and FIM World Championship Series in Anaheim, Calif.