1PCS 390/550 Gearbox with 12V Motor 10000-30000RPM for Kids Ride On Cars and Motorcycles Electric Motor Gearbox Match Children Ride on Vehicle Toys Accessories

Description:

Material:Metal and plastic

Voltage:12V

Used For:Kids Children Ride On Car/electric battery bikes

550 motor: Length: 5.7cm;Diameter: 3.5cm;Gear box length:18.5cm;aperture:1.2cm

390 motor: Length: 4.6cm Diameter: 2.75cm;Gear box length:16.5cm;aperture:1cm

380 and 390 are universal

550 and 540 are universal

Note:
The speed faster and the torque smaller, In turn,The speed slower and the torque greater