This fork shreds! It is strong, stiff, long lasting and perfect for demanding riders. Available in an HIC/ICS10 and a SCS version. (SCS doesn't need a SCS spacer). The HIC version has a threaded steel, M8 insert in the fork tube. Both models have integrated spacers and fit 24mm and 30mm wheels. Sold with all hardware for mounting for the different systems. Addict PRO SCOOTER FORKS are an aluminum pro scooter fork that work with the following types of compression: SCS. When you purchase Switchblade 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. Addict Switchblade forks are durable forks and can be ridden on the street or at the park. The Addict pro scooter forks are compatible with the following wheel diameters: 100mm,110mm. Addict pro scooter forks are an extremely versatile fork and are compatible with any of the following wheel core widths: 24mm,26mm,28mm,30mm. To swap out different width wheels, you will need compatible spacers for the wheel width selected.