SPINKIND / 03

Gear range

Compare the highest and lowest ratios for selected tooth counts.

YOUR LITTLE WORKBENCH

Gear range

ON YOUR DEVICE ✦

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THE METHOD / 01

A clear wayfrom start to finish.

Range percent = (large chainring/small sprocket) ÷ (small chainring/large sprocket) × 100.

01

A worked example

50/34 chainrings and 11–34 sprockets give about 454.545% range.

02

Keep the assumptions clear

Does not certify derailleur capacity, chain length or component compatibility.

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A FEW USEFUL ANSWERS

Good to know.

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SPINKIND / TOOLKIT

A little help for every step.