Thread: What happens when the chainring is smaller than the rear cog?
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Old 08-08-09 | 11:17 AM
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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!

There is no reason the cog can't be bigger than the chainring. Gearing is the ratio of the driving gear (chainring) to the driven gear (rear cog) and less than 1.0 (chainring smaller than the cog) is just as physically practical as greater than 1.0.
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