48 is pretty big. i'm guessing your on 700s?
http://cycleseven.org/bicycle-gear-inch-calculator use this. I'd say i'm for a gear inch of mid 60s to low 70s.
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48 is pretty big.
i'm guessing your on 700s?
http://cycleseven.org/bicycle-gear-inch-calculator
use this. I'd say i'm for a gear inch of mid 60s to low 70s.