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Gear Ratio Explorer

Calculate your final drive ratio and see how your bike performs across the RPM range for every gear.

Front Sprocket (teeth) i
15
Rear Sprocket (teeth) i
43
Final Drive Ratio i
2.87 : 1
(Rear ÷ Front)
Max RPM i
RPM
Gearbox i

Adjust your sprocket sizes and see the speed potential for each gear in real time.

Final Drive Ratio
Ratio: 2.87
Great balance for all-around performance
Speed vs RPM
Top Speed (Est.)
122 mph
RPM @ 70 mph
7,600
Speed @ Max RPM
143 mph

Gear Ratio Summary

Detailed breakdown of your current setup.

GearGear RatioOverall RatioSpeed @ 12,500 RPM

What This Means

Stronger Acceleration

Lower overall ratio improves acceleration and throttle response.

Higher Top Speed

Higher gears help you reach greater top-end speed.

Balanced Performance

This setup offers a great balance for street and occasional track use.

Pro Tip

The ideal gear ratio depends on your riding style and goals. Use smaller rear sprockets for more top speed and larger for quicker acceleration.

Learn More About Gear Ratios