Carbon seat post,Full Carbon fiber 27.2mm 31.6mm seat post for bike bicycle parts,accessories,lightweight,high end,cycle cycling Carbon Seat Post Monocoque Full Carbon Fiber Seat Post For Bicycle Item:TR-SP032CFWeight:160g Each,+-10gFinish:3K/12K/UD,Gloss/MattSizes: 27.2/31.6mmx300mm~400mm Passed EN test 2 years warranty Carbon Seat Post,TR-SP032CF