SpringRate: Suspension Calc
iOS app by Yoshifumi Sato. Utilities · Yoshifumi Sato
- Store rating
- 0 / 5
- Store rating count
- 0
- Download price
- 4.99 USD
- In-app purchases
- Unknown
- Version
- 1.0
- Listing last refreshed
- 2026-09-08
View the original store listing
Store description excerpt
SpringRate converts between spring rate, wheel rate and ride frequency so you can dial in a suspension setup with real numbers. Enter spring rate, motion ratio, spring angle and sprung mass to get wheel rate and ride frequency — or solve it backwards from a target frequency to the spring rate you need. Compare front and rear to set your ride-frequency spread. FEATURES • Wheel rate = spring rate x motion ratio squared x cos(angle) • Ride frequency from wheel rate and sprung mass • Reverse solve: target frequency to required spring rate • Front/rear frequency spread (flat-ride) • Metric (N/mm, kg) or imperial (lbf/in, lb) • Save your setups 100% offline. No ads. No tracking. No account. A one-time purchase.
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