Dimension 1" (22.2) Quill, 25.4, 100mm 70-130 Degree Adjustable Stem Black Clamp Diameter: 25.4mmClamp Diameter: 25.4mmLength: 100-129 mmSteer Tube Clamp Diameter: 1"Steerer Tube: 1" ThreadedStem Color: BlackStem Length: 100mmStem Rise: 70-130 deg