Heightened comfort and improved ergonomics: This stem extender raises the handlebar height by approximately 3 cm, enabling a more comfortable riding position and helping to reduce strain on the wrists and back during longer rides or daily commutes. Lightweight, performancefriendly design: Made from aluminum alloy, it is lightweight and adds minimal weight to your bike, so your riding experience remains responsive and uncompromised. Broad compatibility: Suitable for road bikes and folding bikes, and designed to be compatible with a wide range of bike types, making it a versatile upgrade for many setups. Easy, precise adjustments: Height can be adjusted by adding or removing washers, providing an adjustable range from 3 mm to 55 mm. This allows you to adjust your riding position to suit your preference and riding style. 23 practical use scenarios: Longdistance or daily commute: Achieve a more upright posture to reduce fatigue on wrists and back over extended periods. Ergonomic finetuning: After changing saddle height or overall bike geometry, use the adjustable range to adjust a comfortable reach. Folding or travel bikes: Quickly adjust the handlebar height to match different bikes in your fleet, improving comfort and control during varied rides.