Sixpack racing menace seatpostthe sixpack racing menace seatpost benefits from a one piece 6061 t6 alloy construction and has a two bolt rail clamp to lock your saddle in position tough enough for everything from all mountain to downhill riding it is finished off with laser etched logos for a quality finish that is rarely seen at this price features material one piece forged 6061 t6 alloy clamp 2 bolts length 350mm laser etched graphics weight 279gbuysixpack racing componentsfrom chain