Can weight loss affect power?

verage power is quite a simple concept: it’s your total physical output divided by the time you rode for. Your output is measured in kilojoules and your time in seconds, so if you expend 2,000kJ on a three-hour ride then 2,000 divided by 10,800 (seconds) equals 0.185. You then multiply that by 1,000 to convert the figure to watts, and get 185W. And in terms