DescriptionThe surface of the alumium alloy bike seatpost has been specially treated to have abrasion resistance and scratch resistance, and the shock-proof design will give you a better riding experience .The dust-proof ring design of the adjustable bicycle seatpost can prevent dust from entering and make the mountain bike seatpost smootherProduct ManualThe shock-absorbing seatpost is made of high-strength aluminum alloy tube, which is durable and easy to install. The shock-absorbing seatpost of mountain bikes is firm and firm.Specification:Model: Shock absorbing seatpostDiameter: Φ30.9 - 31.6 mm/1.21 - 1.24 inchLength: 400mm/15.74inMinimum Insertion Depth: 60mmColor: BlackWeight: 656.8gPacking List: Mountain bike bicycle shock absorber seat tube * 1Notes:1. For racing, we recommend that the weight of the cyclist does not exceed 120kg. For mountain bike riders, the weight does not exceed 100 kg.2. Due to manual measurement, please allow a slight difference. Due to different display devices, the color may be slightly different. Thank you for your understanding.3. Welcome to our store and experience the fun of online shopping. You can get the products you need without leaving home.Mountain bike accessories are suitable for replacement seatposts for most bicycles, mountain bikes, road bikes and general-purpose bicycles