RhinoCrawler RM-S12 / RM-S20 is an extremely torque dense and lightweight choice with exceptional startup! It has more mounting positions, beefier wire retainer, and thicker back iron. RM-S12/20 is very difficult to produce, and it is currently the smallest size of the 2812/2820 stator, the outer size of the RM-S12 stator 2812 is only 35x24mm! […]