Hey Yan, I've owned ye olde Lazer Genesis helmets, and also have a Z1 - they have all fitted really well. I ordered a Mips version of the new Genesis, and it was really light, but the central part you highlight in your video was evident to me. Also, when tightened up correctly, the helmet still rocked left to tight on my head, not something any of my other Lazers have had a problem with, which seems to suggest it is pivoting on that central padded bar. Really odd, I think they must have changed something fundamental in their helmet design :-( I have returned it and have just been refunded, going to keep an eye out for a Scott Cadence in black or purple/green prism - which is my favourite helmet.
I bought, I liked; but the thing you said about glasses hitting the back of the plastic fitting system sucks. Both my Oakley glasses hit the back plastic. I moved the inner adjuster up-down but didn't really help. The helmet is still wearable with the glasses though. It's just a nuisance when it hits that part and you have to adjust the glasses in order for it to slide all the way to fit your nose correctly.
