Don't forget the pedal pwered ones.. They can kill you.
Cyclist Richard Del Valle holds his head in his hands as spectators come to the aid of Rod Markell, who lies bleeding on the sidewalk. Del Valle and another cyclist careened into the crowd following a collision at the Santa Cruz Criterium Bike Race. Markell's skull was fractured in three places in the incident. Photo by Shmuel Thaler/Santa Cruz Sentinel (Spot News)
