brownbobby said:
https://cpofficial.com/alberto-contador-reveals-top-secret-tour-de-france-winning-power-data/
7 w/kg, what it took to win the Tour pre 2010....interesting numbers for comparison against Froome's recently released numbers
Let’s see what they means for his power-to-weight ratio. Taking the 458 watts reading we can work backwards. By finding 5% of that number (22.9) and subtracting that you can find an estimate of what Contador’s FTP for an hour would be. This is a generally accepted rule of thumb for cyclists.
The power at 1 hour is 95% that at 20 minutes? I never heard that before. E.g., when Grappe studied Froome’s power files in 2013, he said:
Grappe pointed out several key indicators. He noted that the drop in Froome's power profile was consistent over intense efforts between 20 and 60 minutes – the point being that there should always be a drop-off in power output as the body struggles with the effort. Froome's drop-off is about 60 watts, as against an average of 50 watts for most of the riders Grappe has studied.
If you take the difference between 20 and 60 minutes as a %, which makes much more sense than some fixed value of watts, and apply to Contador, you get about 6.3 W/kg. That’s still very high, and I’m not sure why he’s bragging about it, since it’s almost certainly a juiced value.
But I'd be interested to hear what Alex says about 20 vs. 60 minutes power.