Why the 2026 Tour peloton went bare carbon: the gram math, the UCI 6.8kg rule, real-vs-fake naked bikes, and which raw aero frame you can actually buy.
Giant Propel Advanced SL 2026: Inside the Lightest Aero Road Bike Ever Made
The 2026 Giant Propel Advanced SL hits 6.56kg with a claimed 18.4W aero gain. We break down weight, price, specs and how it beats the Tarmac SL8.