The Ergotec Stem Reducer Sleeve Set allows for flexible adjustment of the handlebar clamp from 31.8 mm to 25.4 mm. This set consists of four parts and is made from high-quality aluminum 6061, ensuring high stability and durability. The black color gives the product a modern and appealing appearance that seamlessly integrates into various bike designs. With a length of 25.4 mm, the reducer sleeve offers a precise fit and ensures a secure connection between the stem and handlebar. The use of aluminum as a material not only guarantees a lightweight design but also high strength that meets the demands of cycling. This product is ideal for cyclists looking to adjust their handlebar clamp to optimize comfort and ergonomics while riding. The Ergotec Stem Reducer Sleeve Set is a practical solution for those who value quality and functionality.