Proprietary components that are hard to source and not sold individually raise replacement cost and lead time. This article examines the impact of vendor lock-in on B2B channels.
Core components of a mid-drive system such as the controller, the sensor magnet ring, the dedicated chainring and the crank are often supplied by the motor manufacturer only as part of a complete assembly. They are not sold individually on the aftermarket. When a non-standard part fails, dealers can only replace the whole unit or order from the original manufacturer, and the wait often runs into weeks.
This "proprietary parts" model creates a double cost. The part itself carries a high premium, and there is additional loss from inventory holding and downtime caused by stockouts. For fleet operators and rental platforms, a single bike sitting idle for weeks means a direct revenue gap.
Vendor lock-in also limits repair autonomy. Third-party workshops frequently cannot intervene because they lack diagnostic authorization and dedicated tools, forcing the channel to depend heavily on a single supplier and weakening its bargaining power.
At QERYU we respond with a modular design and open interface standards. Critical sensors, connectors and chainrings use widely available industry specifications. We publish a single-part spare-parts catalog and open technical drawings, which reduces channel inventory pressure and wait time and returns repair to a state that is replaceable and predictable.