FCFB office 0mm carbon seat post road bike mountain cycling seatpost gree (30.8400mm) Go to amazon.com Related posts Top 8 best carbon seatpost road for 2022 Feature3K full carbon road bike mountain bike seatpostUltra light, high-strong, non-deformable, corrosion resistant etcdiameter 27.2/30.8/31.6mmlenght 350/400mmweight 30.8*400mm 245g Descriptiondiameter 27.2/30.8/31.6mm lenght 350/400mm 3K full carbon road bike mountain bike seatpost Ultra light, high-strong, non-deformable, corrosion resistant etc weight 27.2*350mm 230g