High Efficiency, Not Easy to Break Exquisite workmanship ensures a long lifespan, making it easy to replace old or broken parts. High-quality design provides superior tolerance and fracture strength for adverse environmental conditions. Low heat generation and strong overload protection to maintain efficiency. Suitable for 1/16 1/18 RC Cars. Features: 1. High efficiency, not easy to break. 2. Exquisite workmanship ensures a long lifespan, easy to replace old or broken parts. 3. High-quality design provides superior tolerance and fracture strength for adverse environmental conditions. 4. Low heat generation and strong overload protection to maintain efficiency. 5. Suitable for 1/16 1/18 RC Cars. Specification: Item Type: Motor Material: Metal Magnet Outer Diameter Size: Approx. 46.5 * 27.5 mm / 1.8 * 1.1 inches Shaft Diameter Size: 2.3 mm / 0.1 inches Axial Length: Approx. 14.6 mm / 0.6 inches Speed: 21000 RPM Package List: 1 * Motor Note: Please note that the new type and old type of this product will be sent randomly, and please make sure you don't mind before ordering.