Ive always wondered about this as someone who used flats for years before making the switch:
GCN just did another video that finds effectively zero difference between flats and clipless again to go with all the other articles showing the same and I just cant get my head around it, personally I wouldn't go near the Wicklow mountains or tackle any long distance on flats, I just wouldn't be physically able for it. Like I genuinely would not be able to make it up the steep bits of the Sally Gap or even out of Enniskerry without putting my foot down a load of times, not to mention the fact that I wouldn't be able to get there in the first place range-wise without clipless seeing as its 35-40 km from where I stay in Bray because Id run out of puff 100% faster without clipping in.
Im not even a serious cyclist, I run a pair of these on my roadbike, flat side for going to the shops, SPD side for anything over 5km:
It cant be all psychological can it? If it is its the most powerful placebo effect or whatever you'd call it Ive ever experienced anyway, literally feels like the difference between swimming laps in Speedos or in a wedding dress. The feeling of applying power on the upstroke as well as the downstroke to pull yourself up hills is fake?