Feature: 1. Aluminum Alloy Material: Made of high quality aluminum alloy material, it is durable, wear resistant, high strength and more delicate in appearance. 2. Improve Performance: 50T center differential gear set can reduce the chance of gear virtual position and sweeping, so that the RC car runs smoothly. 3. Power Transmission System: A more efficient power transmission system provides a smoother ride and improves the driving force of the RC car. 4. Not Easy to Bned: Aside from being aesthetically pleasing, aluminum alloys don't bend like plastics do under pressure or in high temperature environments. 5. Replacement Part: Easy to install and disassemble, and the original plastic parts or damaged parts can be directly replaced to obtain higher strength. Specification: Item Type: 50T Center Differential Gear Set Material: Aluminum Alloy Color: Black Weight: Approx. 130g / 4.6oz Number of Teeth: 50T Bearing Size: Approx. 16x8x5mm / 0.6x0.3x0.2in Bearing to Bearing Distance: Approx. 34mm / 1.3in Product Size: Approx. 65x52mm / 2.6x2.0in Application: for ZD Racing 1/7 DBX-07 EX-07 RC Car. Package List: 1 x Center Differential Gear Set Note: 1. Please allow 1‑3mm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.