A worked example
50/34 chainrings and 11–34 sprockets give about 454.545% range.
Compare the highest and lowest ratios for selected tooth counts.
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Range percent = (large chainring/small sprocket) ÷ (small chainring/large sprocket) × 100.
50/34 chainrings and 11–34 sprockets give about 454.545% range.
Does not certify derailleur capacity, chain length or component compatibility.
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