This app will help you to decide what spring rate you need for the rear shock of your bike.
You just need to enter such parameters like
- Your weight
- Shock stroke
- Wheel travel
- Preferred sag
- Weight bias
- Spring preload
Latest Version
1.6.3.3Uploaded by
Khang Lê
Requires Android
Android 6.0+
Category
Free Tools AppContent Rating
Everyone
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Flag as inappropriateLast updated on Feb 6, 2026
* small changes