The infamous Root Industries "AIR" wheels are nothing less than being know to be some of the best hollow core technology wheels on the market. Having an amazing choice of colors and even different core designs Root makes making your scooter match in color very easy, and now with the all new "Swirl" design it'll be even easier! These wheels come in 4 differnt color ways! They do come in both 110mm and 120mm sizes. Keep in mind that 120mm is bigger than your avergae sized wheel so they might not fit just any scooter. If you are unsure about which wheel size to purchase, feel free to contact and ask us! These wheels are awesome to look at and will look even better on your scooter so get them while they're here!