Dimension 31.8 70mm 125 Degree Black Stem Clamp Diameter: 31.8mmClamp Diameter: 31.8mmLength: 0-69 mmLength: 70-99 mmSteer Tube Clamp Diameter: 1-1/8"Steerer Tube: 1-1/8" ThreadlessStem Color: BlackStem Length: 70mmStem Rise: 35 deg