Online Sizing

After entering the height, leg and arm length, the appropriate frame size of the selected bike is displayed immediately. In our database are constantly updated over 10,000 bikes from more than 100 manufacturers. The appearance, as well as the language of the widget is customizable - try it out now!

Color Scheme

Customers are enthusiastic!

Foto von Tim Gerster

I buy a lot online, but when buying a bike I was confused by the different frame sizes - sometimes size 'M', then '56cm' or even 'S2'. Luckily, the calculator always showed me the right size. My new bike feels fantastic!

Tim Gerster
Customer at FahrradXXL

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    Dr. Björn Stapelfeldt
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    Bruno Schotten
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    Uli Plaumann
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    Adrian Horchler