Bicycle Talk. Episode 463 December 3rd 2025. Ron’s Rant: Winter Sun. Yes that pesky low in the sky sun that we experience in the short months. On a positive side: Tunnels for cycling! Let’s hear it for Cargo Bikes. Mechanical minute and cycling tips: What are HUD glasses? Are they the future of performance tracking, and what needs to change for wider adoption? Content: Ron talk about the new tech that is hitting the streets in professional eyewear. Not just for style points any more. Ron also looks this week at two very long cycling tunnels. Good news everyone, especially if you are age challenged like me, A Decade-Long Study Shows Cycling Helps Older Adults Live Longer, Healthier Lives Famous quotes from cycling history. And a tip of the cycling cap to Dudley Massachusetts, Lizzy Gunsalus! You go girl. Events and Finishing Points.