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The DJI spinoff Avinox debuted the MG Concept Motor Gearbox Unit at the Eurobike trade show in Frankfurt, a drivetrain system engineered to replace the conventional derailleur and multi-speed cassette with an integrated motor-gearbox design.
Notably, a second unnamed company made a parallel announcement at the same Frankfurt event — a rare simultaneous signal that the traditional e-bike transmission is facing a coordinated industry challenge.
What the Avinox MGU Does Differently The MG Concept — MGU standing for Motor Gearbox Unit — operates on a cadence-lock principle: the rider sets a preferred pedaling rhythm, and the system automatically shifts to maintain that exact cadence regardless of gradient.
No derailleur is required, removing one of the most failure-prone and maintenance-heavy components on current e-bikes.
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