Features: 3.Single load bearing: 50kg/110.23lbs4.Features: Silent effect, wear resistance, and elasticity are very good.5.High-Quality Materials: The bearings are more stable and the dampers fit the housing well.6.Simple assembly: The trolley case is easy to assemble and can be installed by yourself. When installing, pay attention to the tightness of the wheels so that the trolley case can roll better.7.Easy to wash: The suitcase's replacement wheels are easy to wash, and the parts of the wheels can be removed for washing.Specifications:Material: PUColor: Black & SilverBrand name: BQLZRSize:Diameter: 75mm/2.95inchThickness: 26mm/1.02inchWeight: 684 gPackage include:1 x Wheel3 x Gaskets2 x Axles1 x Wrench