12V 10000-40000 RPM Electric Car Motor Gear Box Spare Parts Accessory For Children Ride On Car Specification: Model: RS550 Product Name: Electric Motor Gear Box Battery Voltage: 12V each motor Speed: 12V 10000RPM,12V 23000RPM,40000RPM Full length: 19cm / 7.5" (Approx) Color: Black + White Material: Metal , Plastic Type:Battery Bikes / Rides Ons Application: For Kids Electric Bike Bicycle Quantity: 2pcs Features: High torque and low noise High strength and wear resistance Rear motor gear box spare part replacement for electric ride on car Used in cars, remote control cars and motorcycles, ATV, karting, children vehicles and other modifications Package Included : 2x Motor Gearbox ( 1 Pair ) 2x Motor line Note: 1.We provide clear pictures, measurements where possible. Please check as much as possible to make sure the item is the one that you need. 2. Please allow 0.5-1 inch difference due to manual measurement.(1inch=2.54cm) 3.The instruction is not included in the package.Professional installation is Highly Recommended.