[Quality Material]:This bicycle seat post is made entirely of carbon fiber,making it sturdy,lightweight and long time use.It's suitable for both mountain bikes and road bikes [Scientific Design]:The design of this road bike seat post is scientifically sound,aiming to provide a good cycling experience [Good Resistance]:The Carbon Fiber Seatpost material used offers good resistance,ensuring the longevity of the seat post [Easy Installation]:This bicycle seat post is easy to install and fits various bike seats,making it an ideal choice for cycling enthusiasts [Lightweight Design]:The Carbon Fiber construction not only provides strength but also keeps the weight down,making it an ideal choice for those who value speed and efficiency, Weight: 0.4188782978 Pounds, Manufacturer: KTUXZCI