Thread: Gear Inches Question
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Old 11-05-20, 05:55 PM
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HillRider
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Bikes: '96 Litespeed Catalyst, '05 Litespeed Firenze, '06 Litespeed Tuscany, '20 Surly Midnight Special, All are 3x10. It is hilly around here!

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In Europe the common method of expressing bike gearing is "development" which is the distance the bike travels with one full crank rotation. It is gear-inches X Pi but in Europe the distance is specified in meters.
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