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fi’zi:k Spine Concept EVO

By Selle Royal SpA

This app is only available on the App Store for iOS devices.


Fizik Spine Concept EVO app is your perfect fitting partner.

An evolution in saddle fitting. Since the introduction of Spine Concept in 2008—fi’zi:k in collaboration with pro cyclists and the University of Colorado have made extensive studies to better understand the biomechanics of cycling in relation to comfort and performance.

Introducing Spine Concept EVO an evolution in connectivity between rider and machine.
Specially designed to help riders find the right saddle for them. The app boasts a number of technical features that help you achieve this with ease of use.


Spine Flexibility and Pelvic Rotation are inextricably linked to saddle comfort — How flexible your spine is and by how many degrees your pelvis rotates determines which saddle and components fit you. Using the in-app rotation feature we can easily calculate your level of flexibility.


Your body weight and power output determine your saddle size: Regular or Large.
Simply perform the in-app calculations to reveal your suggested size.


Based on the results of the test, we will suggest a number of saddles which are perfectly matched for the rider, based on the input data.
For more information about Spine Concept EVO, including our extensive research studies

What's New in Version 2.7

What’s new:
-New Surface Choice feature. You can now choose the saddle surface you prefer: Solid, Versus Evo or Open.
-Updated product range. Discover the new Versus Evo and Open saddles

iPhone Screenshots

iPhone Screenshot 1
iPhone Screenshot 2
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fi’zi:k Spine Concept EVO
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  • Free
  • Category: Sports
  • Updated:
  • Version: 2.7
  • Size: 41.9 MB
  • Languages: English, Dutch, French, German, Italian, Japanese, Portuguese, Simplified Chinese, Spanish, Traditional Chinese
  • Developer:

Compatibility: Requires iOS 8.0 or later. Compatible with iPhone, iPad and iPod touch.

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