This is an Origin8 TorqLite CNC Seat Post in the size of 28.6mm by 400mm. It is a brand new item that has never been used before. The seat post is designed with a Pro Fit technology that will ensure a comfortable and secure ride for any cyclist. The post is made with high-quality materials that are durable and long-lasting. The silver color adds a sleek and stylish look to any bicycle. The seat post is compatible with many different brands and models of bicycles. It is a part type of seat post and is perfect for any cycling enthusiast. This item is perfect for anyone looking to upgrade or replace their current seat post. It is a high-quality product that is sure to meet your needs. Thank you for considering this Origin8 TorqLite CNC Seat Post. Item is as pictured. Will combined shipping