Feature: 1. Shock Absorber: The seatpost itself has a shock absorber spring, which can fine tune the softness and hardness to achieve a comfortable effect and can effectively absorb shock. 2. CNC Machining: This bicycle seatpost adopts CNC integrated molding technology and is precisely cut by CNC, which is highly resistant to compression and distortion, and is sturdy, firm and will not bend. 3. Aluminum Alloy Material: The bike shock absorber seatpost is made of high strength aluminum alloy material, which has a lightweight design and will not add extra burden to the bicycle. 4. Beautiful and Practical: The seatpost has anti slip trough and accurate threads, which make it easier to lock, and also has the characteristics of anti slip and beautiful, strong texture and bright color. 5. Easy to Install: The bike seatpost has a mark for adjusting the height, the scale line is clear, which makes the installation is more clear, and a reasonable installation length is ensured. Specification: Item Type: Bicycle seatpost Material: Aluminium alloy Weight: Approx. 574g/20.2oz Size: 27.2x350mm/1.1x13.8in. Package List: 1 x Bicycle Seatpost Note: Each seatpost has a lower limit of installation to ensure that the part under the installation safety line is completely inserted into the frame seatpostPlease note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.