If you are 50 or older, have you considered riding a recumbent trike? These are 3-wheeled bicycles, that take most of the pressure off your tailbone. - Quora
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Are recumbent bikes really better for your back? - Quora
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Are recumbent bikes really better for your back? - Quora
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Are recumbent bikes really better for your back? - Quora
Recumbentpacking the Netherlands - BIKEPACKING.com
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