These Sector 9 9 Ball Clear Green 78a 61mm skateboard wheels are sold as a set of four. To add bearings and have them assembled, please select one of the options above. You only need one set of four wheels and one set of bearings per skateboard in your cart.

The size of your skateboard wheels are an important consideration. The bigger the wheel, the faster you will go, however it will add weight to your board. Wider wheels tend to have more grip. So, your first determinations should be usage and experience.

Your choice of skateboard wheels will be dictated by the type of riding you do. Do you ride in the street, in a pool or indoor skate park, a vertical ramp? There is no one wheel that works well on all surfaces, so if you ride in a variety of places, try and make the choice that best suits your style and type of riding.

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