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Chain and Sprocket Calculator

Motorcycle Gearing Calculator - RPM to Speed - Shift Tracer - Sprocket and Tire Comparison

RPM gauge diagram Speedo gauge diagram
1st
2nd
3rd
4th
5th
6th
7th
8th

RPM Max RPM

Primary Drive
Top Gear



Find Bike Data

R



Front / Rear
/

Shift →
RPM
Slow Fast



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Gear ratio RPM shift point graph diagram

Shift →
RPM

RPM

Enter gear ratios, primary ratio, sprocket sizes and tyre diameter, then drag RPM slider to calculate speed from RPM. Drag Max RPM slider to adjust the range of the RPM and Speedo Gauges.

Enter Shift at RPM, select gear to shift to and hit Shift and Trace to run up through the gears recording shift point RPM and KPH/MPH.

Compare sprockets Check Compare Sprockets and enter alternate sprockets to compare. The speedometer will display 1 needle for each sprocket set.
Or run Shift and Trace then hit Copy Diagrams to copy diagrams to page footer, edit and repeat to compare multiple combinations.

Transfer Saved Bikes Load Transfered Bikes Motorcycle specs To find gearing data for your bike, try motorcyclespecs.co.za and gearingcommander.com




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