ITEM NAME:1 1/8 Inch Bike Headset Road Bike Threadless External Headsets 34MM H4Z9 1 1/8 Inch Bike Headset Road Bike Threadless External Headsets 34MM H4Z9 1 1/8 inch threadless headset. With two smooth sealed cartridge bearings. Material: Aluminum alloy Color: Black Outer diameter: 45mm / 1.77in Crown race diameter: 30mm / 1.18in Cartridge bearing diameter: 34mm / 1.34in Stack height: 52mm / 2.05in Item weight: 110g / 3.88oz Package List: 1 set bicycle bearing.1 set bicycle bearing.
