Feature: 1. [Improve Performance] The hub can perfectly match the model car, which can reduce the gravity of the car and effectively improve the performance of the RC car. 2. [Enhanced Stability] The hub provides strong support, making it more stable to withstand hard roads and rough driving. 3. [Iron Material] The hub is made of iron material, high wear resistance, high pressure resistance, strong and durable, and long service life. 4. [Reusable Wheel Hub] This wheel hub can be used without glue, and it is reusable and practical, increasing the stability of the remote control car. 5. [Easy Installation] This wheel is easy to install and remove, and can directly replace the original plastic parts or damaged parts for more strength. Specification: Item Type: RC Beadlock Wheel Hub Material: Iron Product Type: RC Accessories Outer Diameter of Hub: Approx. 55mm / 2.2in Inner Diameter of Hub: Approx. 46mm / 1.8in Wheel Thickness: Approx. 26mm / 1in Hex Driver: Approx. 12mm / 0.5in Applicable Models: For Axial SCX10, for Traxxas, for hsp, for Redcat, for tamiya, for hpi brand installation, 1.9in is the applicable tire size.. Package List: 4 x RC Beadlock Wheel Hub16 x Screw Note: 1. Please allow 1‑3mm error due to manual measurement. Thanks!2. The monitor calibration is inconsistent, the color of the item shown in the photo may be slightly different from the actual object.3.1.9 inches is the applicable tire size.