4 ms·

How is this a test if they didn’t measure energy expenditure? Using a human rider feels like a flaw here.

• KeplerBoy 5y ago
  It's a flaw, but also a feature. If the enhanced comfort of a wider tire reduces the perceived extertion, even though the actual power needed increases, it's a net win in my view.
• tomglynch 5y ago
  Their test using the rider's watts is energy expenditure