motor138This is E&C's Newest Motor & Controller Kit! Utilizing everything great about the QS138 70h model and making it that much cooler! This Motor is the Most compact and powerful motorNew Arrival QS138 70H V3 Mid Drive Motor . QS 138 70H V3 for Electric ATV Dirt bike and Motorcycle For QS138 70H V3 mid drive motor with 1:2.35 gear box, it could be used for electric dirtbike, electric motorcycle, electric ATV 72V