It's small and easy to install in your RC airplane or RC car.Tyres are made of PU sponge, hub are made of plastic, perfect replacement. SpecificationsMaterial: PU sponge Tires,Plastic HubPer Piece Weight: 53gAxle hole Diameter: 5.4mmOutside Diameter: 5" / 125mmTires/Total Thickness: 1.57" / 40mmHub Diameter: 2.17" / 55mmOverall Size: 5" x 1.57" / 125 x 40mm (diameter*thickness)Color: Black Tires and White Hub Package Content:2 x Tires2 x Hubs.
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