Adjustable: The product comes with 5 gaskets, 5x10mm can increase the height up to 100mm (3.93 inches). With a total length of 130mm, it can freely adjust the gasket to suit your needs, effectively reducing the pressure on the waist and making the cycling experience easier. Applicability: Our bike fork dry extenders are suitable for most bikes with 1-1/8 "unthreaded steering tubes. High Quality: This bicycle handlebar riser is made of aluminum alloy material, polished and anodized, corrosion-resistant and durable. Easy Install: Just connect the original handlebar stand, you can also refer to our installation step diagram. Wide Application: high toughness handlebar extender, not easy to loose, safer to use. Suitable for mountain biking, road biking, commuter, BMX, and more.