Moonwell's Bike Gear Calculator
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Motorcycle Gear Ratio/ Sprocket Calculator
Change any values below and see what happens!
77 KZ 900 Modified
Gearing (
Edit
)
Preload Bike
1977 KZ900
Tester
Gear
Ratio
Actual
MPH &
RPM
RPM After Shift @
9000
RPM
RPM @
MPH
1
13.4
54.39 MPH
9101 RPM
2
9.26
78.71 MPH
6218 RPM
6289 RPM
3
7.05
103.38 MPH
6857 RPM
4788 RPM
4
5.84
124.8 MPH
7456 RPM
3966 RPM
5
5.16
141.25 MPH
7951 RPM
3504 RPM
6
0
0 MPH
0 RPM
0 RPM
Front Sprocket:
Teeth
Rear Sprocket:
Teeth
=
Final Drive Ratio
Primary Reduction:
Tire Diameter:
(In Inches)
Graph