Features: 1.Made of 6061 aluminum alloy, it has high hardness, corrosion resistance, and strong wear resistance. It can be easily dealt with whether it is riding or playing 2.CNC precision cutting, high compression resistance, distortion resistance, toughness and firmness without bending 3.Double-track design, high-strength aluminum alloy forging, eliminating the need for clip codes, making it easier to replace single nails 4.The surface adopts frosting process, with strong texture, non-slip and beautiful, bright colors 5.Available in a variety of sizes, choose the right size for your needs.    Notice: Please allow 1-3cm deviation due to manual measurement Actual color may be slightly different from the image due to different monitor and light effect Description: Material:Aluminum Alloy Size:as shown Package List: 1x Bicycle Seatpost