>>1380478>Cornering is not harder if you're heavy either at least for me it isn't from what I can tell when I'm riding with people who are 10-20 kg lighter than me.No, *physics is physics* no matter what you say. You mass higher, the bike leans more in curves and corners, and there's more outward force in those curves and corners, challenging the grip of your tires that much more.
Have you ever descended mountains, at speed? I have because it's part of my training. I don't live near mountains so I can't do it as much as I'd like, but a shorter, lighter rider can go faster on a technical descent than a big rider because of *physics*. We're not talking about straight-line descents, we're talking about twisty technical descents.
In your case, assuming your descending history is comparable, maybe you're just more nervy than your buddies you ride with?
I'm not even that nervy compared to some riders because I don't have an opportunity to practice high speed technical descents that much. I also have crashed motorcycles enough to have a healthy respect (and some fear) of what bouncing off the pavement will do to me. So I am admittedly more conservative about it that some riders would be. Of course that can change with experience and practice.