The stem extender increases handlebar height by approximately 3 cm to provide a more comfortable riding position. Made from aluminum alloy, it is lightweight and helps reduce the overall burden on your bike. It offers wide compatibility across various bike types, including road bikes and folding bikes, and the hidden design delivers a sleek, seamless look to your handlebar setup. Key benefits Improves comfort: raises the handlebar for a more upright riding posture, helping reduce neck and back strain on longer rides. Lightweight and strong: aluminum alloy construction keeps weight down while maintaining durability. Broad compatibility: suitable for a range of bikes, including road bikes and folding bikes. Sleek aesthetics: hidden design integrates with the handlebars for a clean, streamlined appearance. Specifications Height increase: approximately 3 cm Material: aluminum alloy Weight: lightweight design designed to minimize additional load Compatibility: suitable for various bike types, including road bikes and folding bikes Design: hidden, for a seamless look on the handlebar area Use scenarios City commuting: enhance comfort during longer urban rides by adopting a more upright posture without changing your riding posture significantly. Road and endurance rides: reduce upper body strain on extended sessions, helping maintain a comfortable position over time. Folding bikes for daily errands: enjoy a more comfortable reach and a cleaner handlebar area while maintaining the compact look of a folding bike. Compatibility and fit notes Designed for a wide range of bikes, including road bikes and folding bikes. Please verify your bike's steerer and stem specifications to ensure proper fit and safe use.