Great question — answering as the UphillTech team:
Assuming everything else is the same, the wattage lost to the best rated of each class of tire on BicycleRollingResistance is... Class Tyre Wattage lost Road Vittoria Corsa Speed 7.0 W Touring Schwalbe Marathon Almotion 17.1 W MTB Continental Speed King II 19.1 W Gravel Panaracer Gravel King 20.8 W Fat Schwalbe Jumbo Jim LiteSkin 39.9 W None of these tyres is great at anything but having a low rolling resistance - this is gained by sacrificing tread thickness and puncture protection. There are plenty more reviews and tests at the same site. Whether its real-world doesn't matter too much - each one is tested the same way for consistency. Then the second part is "how fast do these wattages...
Full answer by Criggie: https://bicycles.stackexchange.com/a/76800 (CC BY-SA 4.0).
Need it done for your business? UphillTech.
