Brand: TOOK Color: Black matt Top cap, Silver Expander Material: Carbon fiber(Top cap)+Aluminum alloy (Expander) Top cap thickness: 2-2.2mm (strengthen) For Steerer tube Diameter:28.6mm/(1-1/8") Weight: 54.5g,approx (Top cap 6.1g) Package included: 1pc*Expander&Top cap.
