TQ HPR50Small. Light. Quiet. Natural.HPR50The heart of TQ-Group’s e-bike transmission is the HPR50— short for harmonic pin ring transmission with 50Nm of torque. What’s a harmonic pin ring transmission? It’s a relatively simple, yet ingenious, drive mechanism that operates similarly ...
Discover the lightest, quietest and smallest e-bike system in its class! The TQ-HPR50 e-bike system takes your biking experience to the next level.
HPR50 The heart of TQ-Group’s e-bike transmission is the HPR50 – short for harmonic pin ring transmission with 50 Nm of torque. What’s a harmonic pin ring transmission? It’s a relatively simple, yet ingenious, drive mechanism that operates similarly to a rotary motor, but more ...