Boards are very important because lets be honest you can't skate without the board. The board is one of the things to look out for when buying a skate board because you want one that fits your style.There are also different types of bored like:
wooden
penny
nickel
The bearings of your board basically hold your wheels and the board together. They are needed in order to have a well functioning skateboard. You have the option between 3 difffernet type of bearings:
Metal
Plastic
Metal and Plastic mix
The type of wheels you pick depends on the type of board you have. There is only one type of wheel for boards that have a design for it but you can customize the wheels, As shown above.