German rider Ken Roczen had enjoyed a well-decorated dirt-bike career, which includes several series championships and 22 career AMA Supercross wins to go along with 21 career Motocross victories.
It’s another testament to the rough-and-tough world of off-road motorcycling. The all-time Daytona Supercross record holder and the man who interrupted his Daytona streak a year ago will miss Saturday ...
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