Item Type: 2.2in RC Wheel Hub Material: Aluminum Alloy Gross Weight: 474g / 16.7oz Type: RC Accessories Diameter: Approx.64mm / 2.5in Thickness: Approx.36mm / 1.4in Hex Driver: Approx.12mm / 0.5in Tyre Tread Applicable Size: 2.2 inches Suitable: for Traxxas, for Defender, for Axial SCX10 SCX10 II 90046 90047 1/10 RC simulation crawler installation1Application: This replacement wheel hub is applicable for 1/10 RC simulation crawler, universal type can be used with confidence. 2CNC Processing: The locking tire weighting design processed by CNC can effectively reduce the gravity of the RC car and improve the performance. 3Reasonable Design: Increase the wheel weight by adding more wheel hubs, reduce the center of gravity of the vehicle, and improve handling. 4Strong Support: It can provide strong road support, and its high wear resistance enables it to withstand hard roads and rugged driving for a long time. 5More Stable: Make the RC car more stable, fearless of any terrain, increase the stability of the tires, and make your RC car more cool and attractive. 6Eco Friendly: It is made of premium aluminum alloy materials, safe, eco friendly, durable, not easy to deform, and has a long service life. 4 x Hub