Gear Speed and Top Speed Calculator
Gear Speed and Top Speed Calculator
Discover the top speed in each gear based on your custom setup: tire width, profile, wheel diameter, engine RPM, and gearbox ratios.
This exclusive RSX Racing tool lets you compare two setups and choose the ideal final drive or gear ratios for your build.
Revolutions
Gearbox
*You can enter values as a ratio (e.g., 17/64) or as a decimal (e.g., 3.764).*
Set a baseline, then change any values and press Calculate to compare both setups visually and numerically.
Would you like assistance in selecting your ideal close ratio?
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