It is still double butted 6061 aluminum, smooth welded and hand polished.
‚Ä¢ Double-butted aerodynamic 6061 aluminum tubing
‚Ä¢ Smooth welds
‚Ä¢ Integrated headset Included
‚Ä¢ 27.2mm Seatpost
‚Ä¢ Double sided stainless steel dropouts
‚Ä¢ English BB
‚Ä¢ Estimated Frame Weight: 4 lbs
Supplied with headset and seat clamp.