Features a custom CNC-machined alloy top cap in the shape of the Box logoAnodized aluminum bolt threads into a gold anodized aluminum expander plug which is safe for carbon steerer tubes45x45 sealed bearing feature a titanium nitride coating that greatly reduces friction and increases corrosion resistance Carbon fiber top bearing cover adds style and lowers weightIS42/28.6|IS42/30Black/Gold94g28.6423045°/45°1-1/8`UPC/EAN/GTIN: 0639266090939