Cycling is an endurance sport. You lose your fast-twitch ability as you age, but your endurance peaks when you hit 30. I don't think I really started feeling my age until around 40.— Jens Voigt
Cycling is an endurance sport. You lose your fast-twitch ability as you age, but your endurance peaks when you hit 30. I don't think I really started feeling my age until around 40.
