Nukeproof warhead sam hill series alloy seatpostwhen it comes to the sam hill signature series of components the key to its success is in the detail the sam hill seatpost range packs all the essential criteria for top level dh racers into a clean simple and stylish product cnc machined with a 3d forged head and an elliptical bore ensure maximum strength with minimal weight paired with infinitely adjustable saddle rail clamps its easy to achieve the perfect saddle angle regardless of what