The MSA- 1E 2.0 brings to the table an upgraded gearbox with 25% Lower gearing and specially developed larger 130 size MSA-1E Crawler Spec Brushed Motor. MSA-1E 2.0 Subaru Brat 1/24 4WD RTR Crawler. This all combines to create an emphasis on low RPM drivability and throttle finesse.