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Old 07-12-18, 10:43 AM
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Join Date: Feb 2017
Location: Seattle, Washington, USA
Posts: 299

Bikes: 2016 Cervelo R3 2018 Rodriguez Tandem

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Simple question: My wife is 5'4" tall, with proportional legs. She has a 175 crank on her single bike, and a 170 crank on the tandem.

Would replacing the 170 on the tandem, with something shorter, perhaps help her spin faster (and perhaps help with limiting body movement when pedaling fast)?
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