Made out of 3D forged 6061-t6 alloy, our pivotal seatpost is 200mm long so you have something dependable to bolt your pivotal seat too, no matter the setup.   MATERIAL: FULL CNC MACHINED 6061-T6 ALLOY SYSTEM: PIVOTAL SYSTEM LENGTH: 200mm SIZE: FOR STANDARD 25.4MM SEAT POSTS WEIGHT: 19G (0.65OZ) COLORS: BLACK / SILVER POLISHED