Pro lt seatpostthe lt seatpost from pro is manufactured using 3d forged 6061 lightweight aluminium which provides high strength and excellent resistance to corrosion the lt seatpost is big on value and even features the same single bolt clamp design as pros top of the range vibe ltd carbon seatpost featuresgreat value 6061 alloy seatpost with easy to read size indicatorone piece seatpost from 6061 alloy tube with a 3d forged head for increased strength and durabilitysingle bolt 6061 forged a