What is this?
It's small and easy to install in your RC airplane or RC car.

What will I get?
1.Style 1.75 inch:
Material: PU sponge Tires,Plastic Hub
Per Piece Weight: 3g
Axle hole Diameter: 2.1mm
Outside Diameter: 1.75 inch / 44mm
Tires Thickness: 0.59 inch / 15mm
Total Thickness: 0.63inch / 16mm
Hub Diameter: 0.67 inch / 17mm
Overall Size: 1.75" x 0.63" / 44 x 16mm (diameter*thickness)
Color: Black Tires and White Hub

2.Style 2 inch:
Material: PU sponge Tires,Plastic Hub
Per Piece Weight: 5g
Axle hole Diameter: 2.5mm
Outside Diameter: 2inch / 50mm
Tires Thickness: 0.69 inch / 17.5mm
Total Thickness: 0.77 inch / 19.5mm
Hub Diameter: 0.85 inch / 21.5mm
Overall Size: 2" x 0.77" / 50 x 19.5mm (diameter*thickness)
Color: Black Tires and White Hub
In the package of,2 inch:2 x Tires,2 x Hubs;1.75 inch:2 x Tires,2 x Hubs;

Is there any advantages of the product?
Tyres are made of PU sponge, hub are made of plastic, perfect replacement.

How to use it?
Easy to install and operate.

What should I notice?
Due to manual measurement, there may be errors in the size of +/- 1-2mm.Please confirm the correct size you want before purchase.