Dimension Adjustable Stem 25.4 110mm 70-130 Degrees Black Clamp Diameter: 25.4mmClamp Diameter: 25.4mmSteer Tube Clamp Diameter: 1-1/8"Steerer Tube: 1-1/8" ThreadlessStem Color: BlackStem Length: 110mmStem Rise: 70-130 degWeight: 236g