This calculator that lets you select sprocket and tiredimensionsto see the effect they will have on top speed and RPM ineach gear.This app lets you save sessions with your gearing/tiredata alongwith track, times, weather and setup notes for laterreference andcomparison. Graphs of selected gear ratio and drop inRPM whenshifting are also available for a quick visual referenceof alldata.
Select your front and rear sprockets, tire width, profile andrimsizes, then change the RPM to instantly see how it affectsspeeds atall gears. Switch between MPH or KmPH.