Road Bike Seatpost FSA ENERGY ALLOY Seatpost SB20 27.2 x 350mm set back 20mm
FSA ENERGY ALLOY ROAD Seatpost SB20 27.2 x 350mm set back 20mm
Directional butting of the Energy SBS SB20 seatpost’s 6066 aluminium shaft gives it thicker walls fore and aft for stiffness and thinner walls at the sides to cut weight. A forged and machined alloy head is bonded into the top of the shaft.
3D forged and CNC machined AL6066 w/ alloy head
Directionally butted tube (thicker wall fore and aft
