Feature: 1. Applicable Models: RC center differential gear set is suitable for ZD Racing 1/7 MX 07 RC cars, please confirm the RC car model before use. 2. Decelerating Effect: Effectively improve the performance of your car, which can reduce the speed, increase the torsion of the engine, and make the remote control car run smoothly. 3. Changing Speed: Designed for more effective deceleration power, it can be used to change the speed to provide more stable driving, lower speed and higher torsion. 4. Precise Shape: Accurate shape and size manufacturing can provide balanced driving and maximize the deceleration performance of remote control vehicles. 5. Simple Installation: It is convenient to install and disassemble, and the original plastic parts or damaged parts can be replaced directly to obtain higher strength. 6. Aluminum Alloy and Steel: Made of premium aluminum alloy and steel, durable, wear resistant, high strength, and more refined appearance. Specification: Item Type: RC Center Differential Gear Set Material: Aluminum Alloy, Steel Gross Weight: 135g / 4.8oz Type: RC Accessories Color: Black Teeth Number: 56T Bearing Size: Approx.16 x 8 x 5mm / 0.6 x 0.3 x 0.2in Distance from Bearing to Bearing: Approx.34mm / 1.3in Product Size: Approx.68 x 57mm / 2.7 x 2.2in Applicable: for ZD Racing MX-07 4WD 1/7 RC car. Package List: 1 x Center Differential Gear Set2 x Gasket Note: 1. Please allow 1‑3mm error due to manual measurement, thank you!2. The calibration of the display is not consistent, and the color of the item displayed in the photo may be slightly different from the actual object.