In this June 10, 2008 photo provided by Aaron Baker, Aaron Baker, front, and his mother, Laquita Dian ride their bikes along the street near the Golden Gate Bridge in San Francisco. Baker, a former motocross racer, was paralyzed from the neck down in a crash while practicing on a motocross track in 1999.
In this June 10, 2008 photo provided by Aaron Baker, Aaron Baker, front, and his mother, Laquita Dian ride their bikes along the street near the Golden Gate Bridge in San Francisco. Baker, a former motocross racer, was paralyzed from the neck down in a crash while practicing on a motocross track in 1999. Mike Hughes AP
In this June 10, 2008 photo provided by Aaron Baker, Aaron Baker, front, and his mother, Laquita Dian ride their bikes along the street near the Golden Gate Bridge in San Francisco. Baker, a former motocross racer, was paralyzed from the neck down in a crash while practicing on a motocross track in 1999. Mike Hughes AP