This^^^. I can post a 'wish list' of speeds that looks similar, but my wish is to ride my tandem fatbike solo faster than my time trial bike. Even if we take you at your word that you had the same perceived effort for all tests, all your chart shows us is that you rode certain bikes at certain speeds. The fact you were wearing a half-unzipped windbreaker one day and a skinsuit the next, or that you forgot to top up your tires with CO2 one day on your road bike, is not included.