Feature: 1. Aluminum Material: The bike headset is made of high quality aluminum alloy material with high strength and wear resistance, having good performance for long service life. 2. Special Structure: The double bearing structure of the bicycle headset is smoothand unimpeded, labor saving and easy for maintenance, suitable for daily use. 3. High Technology: Built in oil sealing waterproof technology, put the oil sealing into the edge of the headset, the headset cover is thinner, so that the whole headset integrated. 4. Fine Workmanship: Manufactured with CNC process, anodic oxidation coloring. Smooth surface, and the color is not easy to fade, suitable for long term use. 5. No Burden: Aluminum alloy material makes the headset have a light weight, will not increase the burden or cause additional energy waste. Specification: Item Type: Bicycle Headset Material: Aluminum Alloy Model: DH-562 Color: As Picture Shown Application: for 44-56mm/1.7-2.0in taper head tube frame, used with 28.6mm/1.1in standard straight pipe front fork or 1.5in standard taper pipe Product Size: Approx.44-56mm/1.7-2.0in Gross Weight: Approx.132g/4.7oz. Package List: 1 x Star Nut Assembly1 x Pressing Ring 4 x Headset Component