Le spettacolari immagini dei piloti delle classi 250MX e 450MX che testano il tracciato di Glen Helen Raceway nella giornata di presentazione alla stampa del secondo round del Lucas Oil Pro Motocross Championship 2017. 

Ahead of round two of Lucas Oil Pro Motocross this Saturday from Glen Helen Raceway in San Bernardino, California, teams were invited to take part in press day activities. With the race in most teams’ backyard, the track was filled with all the heavy hitters.

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