Toptrek bike handlebar stem, handlebar height increase for bike 31.8mm, 90mm bike handlebar aluminum, adjustable handlebar stem ±60° adjustable, bike handlebar rise hexagonal hole design for MTB, road bike.

["For Handlebars with 31.8mm & Stem with 28.6mm"] This bike handlebar extender is customized for your bike and fits fork tubes with a diameter of 28.6mm (1 1/8") and handlebars with a diameter of 31.8mm (1 1/4"). The bike handlebar extender meets the requirements of most MTBs, road bikes, and other bikes on the market. Please measure your bike size accurately before purchasing. ["Sturdy Aluminum Alloy"] The selection of high-strength aluminum alloys for the bike handlebar stem ensures a balanced ratio of strength and lightness, providing stable support for the bike handlebar extender in all road conditions. At the same time, the overall weight of the bike is reduced, allowing for faster acceleration and less effort on climbs. Compared to other materials, an aluminum alloy is less susceptible to rust and corrosion and has a longer lifespan. ["Hexagonal Spiral Hole"] Our bike handlebar extender features a unique hexagonal hole design, ensuring full adaptation of the split body to the structure, improving the stability and durability of the bike handlebar, significantly increasing wear resistance, and reducing mechanical noise during rides. Acquire the Toptrek bike handlebar extender now and make your cycling tour more exciting! ["Adjustable: Maximum 120 Degrees"] This adjustable stem can be adjusted up to 120 degrees with precise scales, giving you the freedom to find the height of the handlebar you need and easily locate the most comfortable riding position. The flexible height adjustment of the bike stem can effectively relieve back and neck pain caused by hours of riding, making your cycling tour more relaxed and enjoyable. ["Quick Assembly and Adjustment"] The assembly process of the bike handlebar extender is simple and fast. With the included hexagon screw, you can adjust the angle of the adjustable stem anytime and anywhere. Please carefully check during assembly if the screws are securely tightened to avoid safety issues due to loose screws.