mini bike gear ratio calculator

Here is our mini bike gear ratio calculator:

Engine Max RPM (Default: 3600)

Tire Diameter (Inches)

I am using a Jackshaft

Clutch / Drive Sprocket (Teeth)

Jackshaft Input Sprocket (Teeth) Connected to Clutch

Jackshaft Output Sprocket (Teeth) Connected to Rear Wheel

Rear / Axle Sprocket (Teeth)

Gear Ratio: 0:1

Top Speed: 0 MPH