On occasion, a fork steerer tube will be too tall for use with SCS compression. Lucky has come to the rescut . Use the Lucky Headset Spacer to close the gap between your headset and SCS compression system on your PRO SCOOTER. This pack comes with a (2) 2mm, 5mm, and 10mm spacer to close any headset gap, not just on your Lucky scooter, but any scooter on the market. Since all integrated headsets have the same specs, these headset spacers should work on your pro scooter headset, even if it is not a Lucky headset.