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In this episode of Cycling Over Sixty, host Tom Butler starts by discussing the results of an unintentional experiment with virtual cycling. He is then joined by mechanical engineer and cycling enthusiast Garren Miler to examine the history and mechanics of non-circular chainrings. They discuss the development and decline of oval chainrings, including the Biopace design. This technical discussion leads Tom to make an unconventional decision about his own ride. The episode offers insights into cycling history and technology that may inform future cycling upgrades.

LINKS

Sheldon Brown Biopace Page: sheldonbrown.com/biopace.html

Absolute Black "Why Oval: absoluteblack.cc/why-oval

Here is your invitation to join a great launch party for the summer cycling season.  Join the Cycling Over Sixty Tour de Cure PNW team.  Whether you are local or come out to experience cycling in the great Northwest, I would love to have you help make this a ride with a purpose.  And to send a message that the joy of cycling is here for everyone, regardless of age. Go to tour.diabetes.org/teams/CO60

I know it is early but we are looking to get the Cycling Over Sixty Tour de Cure team together as soon as possible. You can find all the info at tour.diabetes.org/teams/CO60

Thank you Konvergent Wealth for sponsoring CO60 Jerseys for the Tour de Cure!

Become a member of the Cycling Over Sixty Strava Club! www.strava.com/clubs/CyclingOverSixty

Cycling Over Sixty is also on Zwift. Look for our Zwift club!

Please send comments, questions and especially content suggestions to me at [email protected]

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Show music is "Come On Out" by Dan Lebowitz. Find him here : lebomusic.com