Made of High Quality Meterial, Stronger And More Durable, The Appearance Easy to use,Easy to replace Front Wheel:Weight: 87g/pcs Rear Wheel:Weight: 153g/pcs Tool Supplies:Assembly Category RC Parts & Accs:Servo Accessories Use:Vehicles & Remote Control Toys Technical parameters:Value 2 Remote Control Peripherals/Devices:Receivers For Vehicle Type: Four-wheel Drive :Assemblage Wheelbase:Screws Colour:Black & Silver Material:metal+rubber Size: Front Wheel:Diameter: 85mm,Width: 20mm,Adapter Diameter: 11mm Rear Wheel:Diameter: 85mm,Width: 43mm,Drive Hex: 12mm Package Contents: 2 * RC Car Front Wheel 4 * RC Car Rear Wheel Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.