From the manufacturer's official website:

The innovation of material in a powerful design. The most advanced technology of light alloy tempered by tough experience with the great cycling champions. 3D forged road stem, stress directional fiber orientation. Titanium 6/4 hardware.

Technical Data:

• Handlebar O.D.: 31,7 mm (Newton standard)
• Fork steerer: 28,6 mm (1'1/8)
• Extension angle: 82°
• Tightening torque: for all bolts, 8Nm (5,9ft-lb) (71in-lb)
• Weight (120mm size): 107 grams

For more information, please visit this product's webpage.