Stunt Scooter Forks come with numerous compatibilities. These include HIC, SCS, Threaded, IHC, ICS and ICS10. Its is very important that you chose the correct forks for the bars and clamp you wish to use. For aluminium Bars you will need IHC or SCS forks. For Oversized bars you will need SCS or HIC forks. It is also important to choose the correct for for the wheel size you wish to ride. We are always here to help you choose if you need us to.