What does the a mean (83a) on longboard wheels? | Yahoo ...
Sep 27, 2009· What does the a mean (83a) on longboard wheels? i want to buy a city crusher and i want really big wheels so far they have size 76 mm wheels, but when i look at them on the picture compared to other skateboards who have 70mm wheels. i noticed that the city crusher has 78a next to the 76mm and others have 83a. what does this mean and what...