The QS138 70H V3 mid drive motor with 1:2.35 gear box is ideal for high torque applications such as dirt bikes, motorbikes and quads.
Compared with QS138 V1 and V2 motors, it’s integrated with 1:2.35 gear box, which saves space for double step transmission, with more torque.
This motor is capable of over 25kw Bursts!