Gear Ratio Calculator
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Drivetrain Setup
Chainring (teeth)
Cassette Cog (teeth)
Wheel Size
700c x 25mm
700c x 23mm
700c x 28mm
700c x 32mm
650b x 42mm
26" x 2.1"
29" x 2.2"
Custom...
Cadence (RPM)
Wheel circumference (mm)
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Speed Table at Selected Gear