With a new ergonomic frame, 750W geared hub motor & 48V battery built with enhanced hilling climbing capabilities, the RadRover 6 plus fat tire electric bike is built to handle any trail, any terrain, anytime. 101-00036: With a new ergonomic frame, 750W geared hub motor & 48V battery built with enhanced hilling climbing capabilities, the RadRover 6 plus step-thru fat tire electric bike is built to handle any trail, any terrain, anytime.