Ratio Pro for Honda CBR 600 is a quick and useful tool for racers and track day goers alike. Gear ratios are crucial to racing and CBR Ratio Pro allows you to select the optimal gearing for any track.
This calculator that lets you select sprocket and tire dimensions to see the effect they will have on top speed and RPM in each gear. This app lets you save sessions with your gearing/tire data along with track, times, weather and setup notes for later reference and comparison. Graphs of selected gear ratio and drop in RPM when shifting are also available for a quick visual reference of all data.
Select your front and rear sprockets, tire width, profile and rim sizes, then change the RPM to instantly see how it affects speeds at all gears. Switch between MPH or KmPH.