1 1/8” headset expansion plug for full carbon forks

Expansion plug for carbon steerer tubes featuring machined 6061 aluminum wedges with a knurled outer surface to ensure a secure preload. Compatible with steerer tube inner diameter of 22.75mm to 24.6mm and accepts any standard preload bolt and top cap (not included). Specifications • fits most 1 1/8" carbon steerer tubes • Insertion length: 46mm • contact surface length: 38mm