Find your perfect frame size online with Smartfit

You want to buy your dream bike online, but are unsure which is the right frame size? No problem! Discover our new feature in the Sport Bittl online store - the size calculation with Smartfit! With just a few clicks you can determine the ideal frame size for your new bike - and without much effort.


Here's how it works in 4 simple steps:

Step 1: Choose the bike that makes your heart beat faster and then click on"calculate size".

Step 2: Now enter your gender

Step 3: Then tell us your height and optionally the length of your legs and arms (alternatively you can also use the average values).

Step 4: Finally, enter your riding style

Done! Already you get the optimal frame size for your new bike - simple and convenient!

And that is not only practical, but also environmentally friendly!

Thanks to Smartfit, you no longer have to order two different sizes online and have them delivered, but receive directly the bike that really fits you. Save time, resources and nerves and look forward to an incomparable cycling experience thanks to Smartfit!

But that's not all! If your size is not in stock, we will show you suitable alternatives that not only fit the bike category, but are also within your price range.

Online Sizing
Biker on trail in mountain scenery

By the way: You only have to enter your data into the system once. They are automatically stored in your customer account. If you still want to start a new frame size determination, no problem! With a click on "Restart" you can reset all data and start from the beginning.

And the best thing is: This function is not only available online, but also in our flagship store in Munich-Allach. Visit our experts and test Smartfit directly on site!

Our Sport Bittl bike professionals are ready to personally assist you in choosing the ideal bike, whether e-bike or classic bike. Find your new dream bike together with us!

If you have any questions about bikes, our colleagues on our Bike Hotline will be happy to help you on +49 89 89 219 193 (available Mon.-Fri. from 10am-5pm).

To all bike models

We wish you a lot of fun with your new bike!

Biker on trail in the mountains