High Performance: The 3650 Internal Rotation 4 Pole Non-Inductive Brushless Motor delivers exceptional power and efficiency, making it an ideal choice for 1/10 and 1/12 RC automotive applications. Precision Engineering: Featuring a precise axle diameter of 3.175mm, this brushless motor ensures a and optimal performance in your RC vehicles, enhancing speed and control. Design: Constructed with robust materials, the 3650 Internal Rotation brushless motor is built to withstand the demands of high-speed racing and rough terrains, ensuring and reliability. Easy Installation: Designed for user-friendly installation, this non-inductive brushless motor simplifies upgrades, allowing you to quickly enhance your 1/10 and 1/12 RC automotive setup. Versatile Compatibility: The 3650 Internal Rotation 4 Pole Non-Inductive Brushless Motor is compatible with various RC models, making it a versatile addition to any hobbyist's toolkit. Specification:3650 3900KV Colour:Black Material:Plastic+Metal Package Contents: 1 * Brushless Motor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.