The UA Civic fork was inspired from the original UrbanArtt Kompressor fork and now becomes the most versatile fork in the market while maintaining the strength and integrity of its legendary predecessor! It comes with an 8mm axle and recessed inserts to fit all wheel cores, 24mm, 28mm, 30mm and even includes 12mm conversion spacer for the riders who want to run 12STD wheels. UrbanArtt PRO SCOOTER FORKS are an aluminum pro scooter fork that work with the following types of compression: SCS,HIC,TCS. When you purchase UA Civic forks, you will need to purchase a compression system (listed previously) that is compatible with your forks, as well as scooter bars that are compatible with the selected compression system. UrbanArtt SCS/HIC forks are durable forks and can be ridden on the street or at the park. The UrbanArtt pro scooter forks are compatible with the following wheel diameters: 100mm,110mm,115mm,120mm,125mm. UrbanArtt pro scooter forks are an extremely versatile fork and are compatible with any of the following wheel core widths: 24mm,26mm,28mm. To swap out different width wheels, you will need compatible spacers for the wheel width selected.