1. Aluminum alloy has low density, high strength, excellent electrical conductivity, thermal conductivity and corrosion resistance. 2. Carbon fiber material is a thermoplastic polymer material structure with high strength, good toughness, and easy processing and molding. It has high strength, low weight, high impact resistance and high heat resistance. 3. The gear head is used to adjust the running speed of the car and control the direction, reverse or change the driving speed. 4. Sublime your driving experience. Improve the overall look of your car. 5. Simple and convenient, easy to install, just remove the old knob handle and push in the new one. until it cant move forward.
