1Manufacturing Material: Made of high quality aluminum alloy material, safety and environmental protection, it is durable and strong, which undoubtedly extend its service life. 2Reasonable Design and Perfect Matching: Reasonable design and perfect matching can reduce the gravity of the car and effectively improve the performance of the remote control car. 3Simulation Improvement: Improve the original car simulation, practical and unique design, exquisite workman and perfect appearance. 4Ideal Replacement: Replace the wheel hub to prevent damage to the original parts, make the remote car more stable, not afraid of any terrain and increase tire stability. 5Simple Operation: Simple to operate, easy to use, easy to install and disassemble. 6Applicability: Suitable for Axial SCX10 90046, AXI03007, for Traxxas TRX4, for Redcat D90 and other model tires. Item Type:1.9InchesMetalWheels Weight: Approx.400g / 14.1oz Material: Aluminum Alloy Tire Width: Approx.31mm / 1.2in Tire Diameter: Approx.57mm / 2.2in HexAdapter Diameter: Approx.7mm / 0.3in Applicability: Suitable For Axial SCX10 90046, AXI03007, For Traxxas TRX4, For RedCat D90 And Other Model Tires. 4 x Wheel Hub1. Please allow 01 inch error due to manual measurement. Thanks for your understanding. 2. Display calibration is inconsistent, and the colors of the items displayed in the photos may be slightly different from the actual objects. 3. 1.9 inches is the size of the tire skin.