12V 550-30000 RPM Electric Car Motor Gearbox Spare Parts Accessories for Kids Ride on Car Specification: Model: H74028 Product Name Product: Electric Motor Gearbox Battery Voltage: 12V for each motor Speed: 550-30000 rpm Total length: 19cm / 7.5 (approx)Color: Black+White Material: Metal, Plastic Type: Battery bikes / Ride Ons Usage: For Electric bike for children Quantity : 2pcs Features: 2pcs 12V Kids Ride On Bike Electric Car Motor Gearbox 550-30000RPM High torque and low noise High strength and wear resistance Rear motor gearbox spare part for electric car driving Used in cars, RC cars and motorcycles, ATVs, go-karts, children's vehicles and other modifications Emballa ge include: 2x gear motor (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 you need. 2. Please allow 0.5-1 inch difference due to manual measurement. (1 inch = 2.54 cm) 3. The instruction is not included in the package. Professional installation is highly recommended.