TQ Ebike HPR50 Drive Unit Set
$965.00
TQ’s Harmonic Pin Ring transmission, is a lightweight and extremely compact ebike mid-drive motor.
Providing 300w of power and 50nm or torque at 90% efficiency, the HPR50 provides quiet assistance feeling more like a regular bike.
By eliminating additional gears that cause friction, noise, wear and potential sources of error, TQ were able to make the HPR drive unit even more efficient.
Out of stock
The Harmonic Pin-Ring, or “HPR”, is the result of TQ’s decades-long experience in the development of electric motors used for robots, satellites or Mars rovers.
By further developing their patented Harmonic Pin-Ring technology, they were able to design a harmonic drive gear that allows seamless and silent integration in an e-bike system.
- 300w Continuous rated power. 50nm torque
- 4.1lbs/1850g
- ISIS crank interface, 135mm spindle width
- Includes motor bolts, spacers and lockring