Feature: 1. Compatibility: RC car gearbox is fit for RGT EX86100 EX86100PRO Climbing Car, bringing you more professional use results. 2. Function: The complete gearbox is mainly used to change the speed and torque of the engine and improve the performance of the RC car. 3. Sealed and Dustproof: Sealed gearbox against sand and dust, effectively prevent the entry of gravel, branches, etc., to protect the gear. 4. Strong Power: The gearbox shell is made of plastic and iron material, strong magnetic force, low heat generation and high power. 5. Performance: 20T brushed motor and high purity copper winding, sealed bearings for durability, low friction, low noise and long service life. Specification: Item Type: RC Car GearboxMaterial: Plastic, iron, copperColor: Black Revolutions: 20T Operating Voltage: 7.2-7.4v Maximum Voltage: 12V Product Length: Approx: 50mm/1.96in (excluding shaft) .Product Diameter: Approx: 36mm/1.41in Product Shaft Length: Approx: 12mm/0.47in Axle Diameter: Approx: 3.175mm/0.12in Application:Fit for RGT EX86100 EX86100PRO Climbing Car Package List: 1 x Gearbox2 x Wiring Note: 1. Please allow slight 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.3. If the motor does not turn correctly, please swap the two motor lines. The motor line does not distinguish between positive and negative poles.