
Components Compatible with QS Motor QSJ138A-70
Mid-Drive Motor5500W48–72V
QS138 70H V3 Mid Drive Motor with Internal Gearbox — 3000W rated IPM PMSM inrunner with 1:2.35 helical gear reduction. 5500W continuous, 25+ kW peak burst. 138mm stator diameter, 70mm stack height, 5 pole pairs. Spline drive shaft output, compatible with 428 chain sprockets. Air cooled, IP67. The go-to motor for Sur-Ron/Talaria class e-motorcycle conversions — 72V @ 100 km/h capable.
9 components are compatible with the QS Motor QSJ138A-70, including 8 batteries, 1 controller.
8 Batteries1 ControllerFrequently Asked Questions
Ready to build?
Start a new build with the QS Motor QSJ138A-70 and pick from 9 compatible components.








