The fsa pig dh pro headset is a threadless headset that has been constructed from a forged alloy upper cup and a crmo lower cup the headset also comes with an upper angular contact bearing and a lower sealed bearing this fsa headset is also gyro compatible so you can use it with a bmx and be able to bar spin with ease the headset weighs in at 166g and comes in black a colour that will suit the paint job of any bike features of the fsa pig dh pro headset 1 18 36deg 36deg acb upper