Truvativ Holzfeller 1-1/8" stem, (31.8) 0d x 40mm - white Clamp Diameter: 31.8mmClamp Diameter: 31.8mmSteer Tube Clamp Diameter: 1-1/8"Steerer Tube: 1-1/8" ThreadlessStem Color: Sno WhiteStem Length: 40mmStem Rise: 0 deg