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Gearing & Sprockets

Front/Rear Sprocket Ratio Calculator

A clean ratio readout for any front and rear tooth combination, plus equivalent swaps that keep the same ratio.

Inputs
Results
Live

  • Sprocket ratio

    3.846:1

  • Front ÷ rear

    0.26

  • Tooth difference

    37teeth

Table
FrontRearRatioNote
12463.833
13503.846current
14543.857

Formula

Ratio = rear ÷ front

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