I'd put a 16 (high 70s) or 17 (low 70s) on the back. Depends if you prefer working harder uphill or down. I ride 48/17 (74") fixed and 44/16 (70") singlespeed.
@colr started
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I'd put a 16 (high 70s) or 17 (low 70s) on the back. Depends if you prefer working harder uphill or down. I ride 48/17 (74") fixed and 44/16 (70") singlespeed.