Operating Range: RoadMaterial: 7075/T6 aluminum, crown race aluminumBearing: ACB ball bearing with 45 ° / 45 ° angle (Campagnolo)Assembly Size: 9.6 mmWeight: 75 gDelivery: with clamp nut set and 10mm aluminium coverAdditional Information: Campagnolo compatibleHead Stem:Type: A-HeadBuild: integratedSize:Size: 1 1/8 InchMaterial:Bearing Shell: upper bearing shells in aluminium