Material: This product is made of aluminum alloy 6061; Light weight and durable; Handlebar diameter: 31.8 mm / 1.2 in; Front fork diameter: 28.6 mm / 1.1 in; Length: 60 / 70 / 80 / 90 mm(center distance of the two holes) Features: Adjustable angle: + / - 7 degree; Help to achieve the needed angle to enjoy a long time riding with a more comfortable riding position Easy installation: Just connect up the original front fork stem, then using four bolt bar clamp holds bar securely in position. Suitable for both beginners and experts No welding process: CNC cutting, no welding process internal hollow. Titanium alloy screw fixing, strong, stable and safe Extensive applications: Suitable for modified, DIY, upgrade the bike; Such as most road bike, mountain bikes, folding bike, track bike, MTB, BMX and DH, etc Improved Control An adjustable handlebar stem allows riders to achieve the optimal handlebar height, significantly enhancing control, especially during downhill rides or high-speed cycling. This adjustment makes it easier to maneuver the bike, ensuring a more confident and responsive riding experience. Adaptability to Various Conditions The ability to modify handlebar height enhances stability and safety across different terrains. Whether tackling rough trails or smooth roads, a properly positioned handlebar helps riders maintain better balance and comfort, allowing for a more enjoyable ride. Aesthetic Appeal Customize your ride to reflect your personal style, making it not just a sport, but a statement of individuality.