Full CNC marchined, Stem cap with hinge design for quick adjustmentinstallation - Material: AL7050 with Titanium bolts - Steerer: For 1-18 inch use - Handlebar diameter: 31.8mm 35.0mm convertible (include 31.8 35mm handle bar shim) - Length: 90mm - Angle: ±25 degree - Stack Height: 38mm WEight: Approx.143g - Color: Black (as pic shows) - OEM package (This item is exactly as pictured and does not include retail package) Contents : 1 pcpack