Dear STEVENS partner,
a pedelec which supports the rider's pedaling power up to a speed of 25 km/h via an electric motor is a bicycle in legal terms. There are, however, some responsibilities attached with regard to the CE marking and the conformity assessment via the Product Safety Act and the Machinery Directive. A dealer (or consumer) will turn into manufacturer, if he or she replaces certain parts.
The guideline below for the exchange of parts of CE marked pedelecs drawn up by Zweirad-Industrie-Verband (ZIV; the Association of the Two-Wheel Industry), Verbund Service und Fahrrad (VSF, the Association Service and Bicycle) and Zedler-Institut is of no juridical status. Only after a verdict appealing to this guideline this would probably be the case. This state-of-the-art piece is a sensible help for your everyday work, however. Below we offer recommendations for the exchange of parts.
Basically parts may be replaced by original parts. Furthermore adjustments have to be made using common sense, must be technically safe and meet the current state of the art.
The guideline “Exchange of Parts on CE-marked Pedelecs” distinguishes five groups of parts: