12V Directly DC Motors with no gearing.
These are basic DC motors, simply as the title states. These are a straight DC motor with no gearbox whatsoever.
We offer these basic motors in assorted power ranges at 12VDC motors which are appropriate for our selection of DC Speed controllers.
Without gearing, these universal motors are made for scooters or e-bikes using belts and chains (with varying size sprockets) to create high torque or medium torque with 12v Motor higher speeds!
While primarily created for scooter or go-kart use, they are a popular range for hobbyists and inventors.
While these are low priced motors, there’s nothing cheap about the product quality. They are simply just motors that are created in such large amounts that they can be created with a low price point.
The are produced in mass, so while its expensive to get 
adjustments made (quantity must be purchased) the share motor is low priced because of its availability and widespread use.