On occasion, a fork steerer tube will be too tall for use with SCS compression. Root Industries has the answer. Use the Root Headset Spacer to close the gap between your headset and SCS compression system on your pro scooter. The Root Industries headset is the headset of choice for a bunch of pro scooter riders. Whether you ride park or street, Root Industries made the Root Industries integrated headset just for you. Root Industries scooter headsets are the cream of the crop, super smooth, making barspins effortless. With sealed bearings, the Root Industries headset is ridiculously smooth and was built to last. The Root Industries headset may just be the most important overlooked part that you need to add to your pro scooter.Use on threadless forks with a steerer tube too tall to for SCS compression Seamless integration with Root Industries Air Headsets Adds color and style to your scooter 5mm tall no special tools required for installation Available colors: BLACK, BLUE, GOLD, GRAY, GREEN, PURPLE, RED, SILVER