- Double-butted aerodynamic 6061 aluminum tubing- Hydroformed top tube- Aerodynamic fork- Smooth welds- Integrated sealed bearing headset- 27.2mm seatpost- Integrated seat clamp- Double sided stainless steel dropouts- Compatible with: 68mm bottom bracket, english threaded.- Estimated frame weight: 3.75 lbs- Fork weight (uncut): 1.2 lbs