Trucks come as a pair.

Size information:

00- 6.5″ axle – for decks 6.5″ or smaller

11- 7.25″ axle – for decks 7″ – 7.3″

22/02- 7.6″ axle – for decks 7.12″ – 7.75″

33/03- 8″ axle – for decks 7.75″ – 8.12″

44- 8.35″ axle – for decks 8.12″ – 8.5″

55- 9″ axle – for decks 8.5″ – 9.12″

66- 9.35″ axle – for decks 9.12″- 9.62″