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