LABAICAI Fit for 28.6mm Fork Flat Tube 1/8 Inch External Mountain Bike Accessories Cartridge 34mm Fixed Gear Bearing With Top Cap Bicycle Headset

Material: Aluminum alloyWeight: 110g / 3.88ozCartridge bearing diameter: 34mm / 1.34inPackage includes:1pc bicycle headsetCrown race diameter: 30mm / 1.18inColor: Black/SilverStack height: 52mm / 2.05inOuter diameter: 45mm / 1.77in1 1/8 inch threadless headsetWith two smooth sealed cartridge bearings.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.