Description: Specification: This bicycle seat post has a diameter of 31.8 mm and a length of 500 mm, making it suitable fit for 31.8 mm diameter folding bike Material: Bike Seatpost is made from quality aluminum alloy, this seat post is lightweight but also resistant to rust and corrosion Stable Support: This Bicycle Seat Post is designed to provide optimal support and stability for your bike rides Suitable For: This Seat Post is specifically designed for folding bikes with a 31.8mm diameter, ensuring an easy installation process and secure fit Package Includes: Each package comes with a aluminum alloy bicycle seat post, ready to be installed on your bike for improved comfort during your rides Specification: Material:Aluminum Alloy Size Chart: Seat Post Diameter: 3.18 cm / 1.25 inch Length: 50 cm / 19.69 inch Package Includes: 1Bike Seatpost Note: Please allow slightly errors 1-2cm differences due to manual measurement.Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.