Carbon seat post,Full Carbon fiber 31.6mm seat post for bike bicycle parts,accessories,lightweight,high end,cycle cycling Carbon seat postItem:TR-SP030CFMonocoque Full Carbon Fiber Seat Post For Bicycle Weight:180g Finish:3K/12K/UD,Gloss/MattSizes:31.6x350mm Passed EN test 2 years warranty Carbon Seat Post,TR-SP030CF