100mm Extruded Cruiser Quill Stem Material: A356-T6 Die Cast Aluminum Alloy Extrusion Length: 3.9 inches (100 mm), Bar Clamp Diameter: 1.0 inches (25.4 mm), Angle: 120° Column Length: 7.1 inches (180 mm), Effective Length: 4.5 inches (115 mm), Column Diameter: 0.9 inches (22.2 mm), Weight (catalog value): 13.4 oz (3 oz (3 oz (3 oz (390 oz (390 g) *Product color may differ from the actual product color depending on your display type. Product specifications, logo design, etc. may be subject to change for product improvement. We also cannot answer measurements or personal fit that the manufacturer does not announce. Thank you for your understanding.