Sold as a set of two wheels 608 ABEC-9 bearings & spacer included Strong aluminum alloy hub Multiple color options 100 mm outer diameter This set of two 100 mm pro kick scooter wheels is the perfect combination of strength and lightweight Made of strong aluminum alloy, the wheels have all the gusto you need, but lightweight so you can scoot like the pros 30 Day Warranty Description This set of two 100 mm pro kick scooter wheels is the perfect combination of strength and lightweight. Made of strong aluminum alloy, the wheels have all the gusto you need, but lightweight so you can scoot like the pros. These are sold as a set of two wheels. They come with pre-installed with 608 ABEC-9 bearings and a spacer so you can get back on the street in no time at all. Best of all, we offer these in your choice of color options.