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. 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 1 x Center Differential Gear Set