Dimension 31.8 120mm 107 degree Black 1-1/8" Threadless Stem Clamp Diameter: 31.8mmClamp Diameter: 31.8mmSteer Tube Clamp Diameter: 1-1/8"Steerer Tube: 1-1/8" ThreadlessStem Color: BlackStem Length: 120mmStem Rise: 17 deg