Yeah, disk breaks are definitely helping the trend. From the head mechanic of EF Education last year: «The disc-brake thing has gained real momentum, so on tho

Yeah, disk breaks are definitely helping the trend. From the head mechanic of EF Education last year: «The disc-brake thing has gained real momentum, so on those frames you can certainly run wider tires because there's the clearance for it. I could see it evolving to 26mm or 27 mm as the standard road-racing tire, sure. Why not.» https://www.businessinsider.com/tour-de-france-wider-tires-lower-pressure-faster-2018-7?r=US&IR=T https://www.businessinsider.com/tour-de-france-wider-tires-l...