I've been doing birthday rides since I got back into cycling at age 63. In October, I'll be 71 and on the last weekend of October, I do a ride across my state that actually gives me two birthday rides back to back (at least until I turn 80).
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HCFR Cycling Team
Ride Safe ... Ride Hard ... Ride Daily
2017 Colnago C-RS
2012 Colnago Ace
2010 Giant Cypress