12V Directly DC Motors with no gearing.
These are basic DC motors, simply as the title states. These are a directly DC motor with no gearbox whatsoever.
We offer these basic motors in assorted power ranges at 
12VDC motors which are appropriate for our range of DC Speed controllers.
With no 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 higher speeds!
While primarily made for scooter or go-kart use, these are a favorite range for hobbyists and inventors.
While these are low cost motors, there is nothing cheap about the quality. They are simply just motors that are made in such large quantities that they can be produced with a minimal price point.
The are produced in mass, so while its expensive to get adjustments made (12v Motor quantity should be purchased) the stock motor is low priced because of its availability and widespread use.