>>2008338you've probably gotten used to them, and their ultra high rolling resistance... when i tried them they were unridably heavy
i will buy gp 5000 next to try out, as they been tested to have low watt resistance in lab tests
this site seems to have all the tires tested
https://www.bicyclerollingresistance.com/road-bike-reviews/continental-grand-prix-5000-tl-2018