The fsa impact bmx gyro compatible headset is a must have for all bmxers who have a gyro set up its sturdy build provides long lasting precise control enabling you to spin the bars over and over without worrying about any damage being caused with a 94mm stack height the headset sits relatively low on the front of the frame providing you with a comfortable ride that provides immense control at all times as with all fsa headsets the impact gyro headset is capable of taking a heavy