So no, I couldn't say he's value for money."
Froome will attend this year's Tour de France as a brand ambassador for race sponsor Skoda, where he will watch Tadej Pogacar attempt to equal the record of five Tour victories.
"He's a lot younger than I was when I was trying to go for my potential number five," Froome told Agence France-Presse.
"If he's able to stay on his bike, if he can stay out of trouble, just the way he's moving this year, it looks as if he's got this one in the bag."
Froome's career faced scrutiny over doping allegations, particularly after an adverse analytical finding for salbutamol in 2018, though he was later exonerated.
He defended his integrity at the time, saying, "I said I would never dishonour the yellow jersey and my results would stand the test of time.
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I won't – and they will."
