21.   Moments later, it lodges under the front tire of an ill-fated bicyclist.

22.   Notice the dirt spinning back from the front tires as they bite?

23.   On the shift I monitored, Richmond changed a right front tire for a young couple in a small car.

24.   One front tire is balding precariously.

25.   One bullet flattened the right front tire.

26.   Passing and cornering in the Xterra, I was acutely aware of weight shifting transversely to the outside of my turns and diagonally to the outside front tire.

27.   Rear tire carrier Darren Jolly and front tire changer Shane Parsnow.

28.   She stopped only after she ran onto a curb and blew out the front tires of the car, the police said.

29.   Six laps later, his day ended when his right front tire went down and his car hit the turn three wall.

30.   Sterling Marlin, who made up a lap after his left front tire was shredded early in the race, managed third.