Rider briefing

Learn

Practical articles for gran fondo riders, with the research behind them.

Fueling

VentouxGlucose and fructose: why the mix matters above 60 g/h
Why sports nutrition mixes glucose and fructose, what 2:1 and 1:0.8 mean, and when a single sugar is enough.

Equipment

VentouxHow much power does your drivetrain lose?
A clean derailleur drive delivers about 98% of your power to the wheel. What costs you the rest, and the default FondoLab uses.
VentouxWhat is CdA, and how to estimate yours
Drag area (CdA) decides how much power the air costs you. What it is, what riding position does to it, and how FondoLab estimates yours.