Directional butting of the Energy SBS SB20 seatposts 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 with alloy head
• Directionally butted tube (thicker wall fore and aft)
• Fit 7mm standard rails and 7 x 9mm oval rails
• Finish: black anodized finish gray