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Andrew Wong replied to the topic 11/23 vs 12/25 in the forum General Discussion 12 years ago
Just for reference on Burke Drive (SPR Tuesday Small Chainring) 39/11 is about 47km/h at 120rpm cadence.
Andrew Wong replied to the topic 11/23 vs 12/25 in the forum General Discussion 12 years ago
Just for reference on Burke Drive (SPR Tuesday Small Chainring) 39/11 is about 47km/h at 120rpm cadence.