1.   He stabbed the brake, stabbed too hard, and his back wheels slurred in the dirt.

2.   His breathing sounds like the cardboard flap you pin to the back wheel of your bike to make a motorcycle.

3.   I felt the sinking whir of the back wheel as it dug its own grave.

4.   If the car begins to fishtail, the back wheels have lost grip.

5.   If you have quick release wheels, take off the front wheel and lock it to the frame and back wheel.

6.   The discharged cartridge cases were in the roadway and the gutter, close to the back wheel of the taxi.

7.   The back wheels spun and the van spurted up the last few feet.

8.   Later I removed the back wheel, refitted it, adjusted the chain tension and replaced a headlight bulb.

9.   Another design has the gasoline engine run the back wheels and an electric motor turn the front wheels, giving four-wheel-drive as a bonus.