BBB Cycling Carbon PowerHead Headset Expander Clamping Mechanism Suitable for Aluminium And Forks Great Grip 1.1/8 BAP 03

EXPANDER CLAMPING MECHANISM: The powerhead equally divides the forces on your head tube SUITABLE FOR ALUMINIUM & CARBON FORKS: This because the bike headset divides the forces so it will not damage your head tube GREAT GRIP: Makes your bike more stiff PLUG LENGTH: 40 mm FORK SIZE (INCH): 1.1/8”