The Thomson Masterpiece Seatpost. Additional machining reduces weight by 41 grams over the same size Elite post.All surfaces machined to remove weightAccommodates seat tube angles of 62 degrees or more41mm seat rail grip lengthItem SpecificationsColorSilverWeight199gLength350mmMaterial7000 AluminumSeatpost Diameter30.9mmOffset0mmMinimum Height28mmMax Height285mmSeatpost TypeRigidClamp StyleStd RailsDefined ColorSilver