4PCS Main Gears Big Gears for SG106 RC Drone Quadcopter cement Parts Product overview These four main gears are replacement big gears designed for SG106 RC drone quadcopters. Manufactured from composite material, they serve as direct replacement parts for the drivetrain to restore or maintain gear function. Key benefits Direct compatibility with SG106 RC drone quadcopter models that use the same main gear design. Composite material construction offers durability and improved power transmission compared to basic plastic gears. Sold as a set of four, providing a full replacement kit for all main gear positions or spare stock for future repairs. Simple installation makes it suitable for routine maintenance and onfield repairs. Main attributes Quantity: 4 pieces Function: Main gears big gears for the quadcopter drivetrain Material: Composite material designed to improve conversion efficiency in the gear train Use: Vehicles and remote control applications, specifically SG106 RC drone quadcopter models Practical applications and use scenarios worn or damaged main gears after a crash to restore stable motor to propeller drive. Keep as a spare parts kit in a toolbox for field maintenance during drone flights or inspections. Use when performing scheduled maintenance or upgrades to extend the service life of the quadcopter drivetrain. Why choose this part These gears provide an exact fit for compatible SG106 models and simplify repairs by offering a complete set of main gears. The composite material balances strength and wear resistance for reliable gear engagement during normal flight operations. Compatibility note Compatible with SG106 RC drone quadcopter models that require the same main gear specification. Confirm your model uses the same gear type before .