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Metric: Km/h and mm. Motorcycle speed and sprocket calculator with bike database for gearing, sprockets, tires and chains of over 1900 bikes. Request yours to be added as well.
19 Δεκ 2021 · Combined gearing ratio = primary drive ratio x gearbox ratio x final drive ratio. You can use the combined motorcycle gearing ratio to see how much it gears down engine speed to final drive speed (in revolutions / min).
Enter gear ratios, primary ratio, sprocket sizes and tire diameter, then drag RPM slider to calculate speed from RPM. Drag Max RPM slider to adjust the range of the RPM and Speedometer Gauges.
This page has motorcycle setup sheets and downloads that are useful for keeping track of your chassis setup and give you some direction on making changes. The setup sheets are in pdf and Excel format, while the gearing chart, rake/trail calculator and thrust chart are all in Excel format.
Calculate rpm for a given speed in top gear. We have included this amazing tool to help you calculate the gear ratios on your motorcycle, RPM Vs. Speed. Contact us with any questions you may have.
All of these changes can be simulated by using the GC (gearing calculator) by changing involved gearing fields. To be able to do this correct, all ratio, sizes and RPM's are necessary input. Primary Drive. The primary drive is the ratio between the engine's crankshaft and the incoming shaft of the gear box or clutch.
GEAR RATIO CALCULATOR. Read off your mph at any rpm in any gear. Enter transmission and rear tyre data in the yellow boxes. Tyre diameter is automatically calculated from tyre profile info e.g. 195/55 x 15 = 24.44 inch tyre diameter.
