Hairpin motor represents the next generation of high-efficiency, high-power-density drive solutions for electric two-wheelers.
Compared with conventional hub motor, hairpin motor features higher copper slot fill ratio, lower heat generation, higher efficiency, stronger and smoother torque output, better heat dissipation, and longer service life.
Paired with a high-performance controller, TFT display, and matched throttle, a well-integrated kit delivers plug-and-play convenience, stable performance, and excellent riding experience.
Today we recommend our complete QSJ155A-36 5000W Hairpin Mid-Drive Motor Kit including QS high-speed hairpin motor, Fardriver Controller ND72680 Surron, 3.13-inch TFT display, and K159 multi-function throttle.
This kit is professionally matched and ready to install, ideal for electric motorcycles, performance e-bikes, and custom high-power EV projects.
At 72V, this kit can reach a top speed of 100 km/h, offering thrilling acceleration for both on- and off-road riding.
With a powerful motor and optimized 14:48 external gear ratio, it conquers steep inclines of up to 70° at a stable 30 km/h, ideal for rugged trails.
This complete mid-drive kit combines premium hairpin motor and professionally matched components for strong power, high efficiency, smooth control, and easy installation. It is the preferred solution for high-performance electric motorcycle assembly, upgrade, and conversion.
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