Features: Enhances your cycling experience with our aluminum alloy bike seatpost to fit a variety of bicycles. Our seatpost is designs for durability and light weight performances, ensuring a comfortable ride. This practical seatpost provide the stability and comfortable needing for any cycling adventure. With its easy installation process and fashion designs, making it standing out on that road or trail. Especially designs for cycling enthusiasts of all height, from beginner to professional ridings. Specifications: Materials: Aluminum Alloy Color: As The Picture Shows Type: 27.2x350mm/30.9x350mm/31.6x350mm (Optional) Size: approx.30.9x350mm/1.21x13.78in Package Includes: 1Pc Bikes Seatpost note: Please allow 1-2cm error due to manual measurement. Please make surer you not mind before your bid. Due to the differences between different monitors, the picture may not reflect the actual color to the item. Thanks!