Turn your bike into an e-bike.
Tell us which bike you have. We'll tell you which conversion fits, what it really costs and where it can fail.
Open the configuratorThree ways into your conversion
Configurator
Describe your bike and get a reasoned recommendation, matching kits and a parts list.
Knowledge
Measuring, motor types, law and costs: plain articles with sources.
Calculators
Work out range, costs, tyre size and bottom bracket yourself.
Popular articles
Convert a Bike to an E-Bike: Overview and Steps
What a conversion costs, which motor fits, what the law says and when you should buy a used e-bike instead. An honest overview from the workshop.
E-Bike Conversion Motor Types Compared
Front, rear and mid-drive motors, friction rollers and seat-tube motors compared: feel, installation, cost and which bikes suit which.
What Does an E-Bike Conversion Really Cost?
Cost items at a glance: kit EUR 400 to 1,700, brakes, tools, small parts. Plus the comparison with used and new (about EUR 2,500) and the cost calculator.
Pedelec Law: 250 W, 25 km/h and Walking Assist
What a conversion may do legally: 250 W rated power, assist only while pedalling up to 25 km/h, walking assist up to 6 km/h and what lies beyond.