Originally Posted by
Kimmo
Au contraire.
So here's what we're talking about; a hub that comes apart like this (the fact it's a through-axle hub is immaterial).
Are we on the same page? Okay.
So far so good, although that’s not an illustration for a through axle. The end caps are obviously drilled for a quick release.
Originally Posted by
Kimmo
Now, I flat-out refuse to be told that there's anything more than the axle (and unintended carnage in the ratchet) preventing this when you land a bunny hop:
You seem to be assuming that the axle acts like the axle in a freewheel hub where the freewheel is cantilevered off the end of the axle. That is not the case in cartridge bearing hubs. Or perhaps you are thinking that the axle is a two piece axle because that’s what your illustration seems to show. Additionally, if that could happen with that axle supported by an extra 3 bearings, it would be even more likely to happen with an axle that is only supported on the ends and has a significantly smaller diameter like in Shimano hubs.
In your drawing above, it is clear that the outboard bearings in the hub shell are attached to the axle and support it as well as the hub shell bearing. There would be no reason for the axle to bend no matter what kind of load a human body can put on it. Your drawing is just wrong. If this is a drawing from a website, please cite it so that the rest of us can see the context.
Now look at this drawing of a Shimano hub (part way down the page). The axle isn’t in contact with the hub at any point except at the very ends of the axle. A hard g landing would be much more likely to flex the axle downward than a hub that is supported in 4 places rather than 2.
Originally Posted by
Kimmo
Shimano freehubs are based on a far better principle, with the exception of the 7800 hub, and sadly it looks like future hubs going forwards, probably largely because folks seem to have a hard time appreciating the inherent superiority of having the DS axle bearing where it should be, robbing Shimano of their due credit.
Might as well start making lighter, nastier hubs.
The Shimano freehubs are good hubs but there isn’t anything about them that is inherently better than cartridge bearing hubs. They aren’t “vastly superior” nor are cartridge bearing hubs “junk”. Your assumptions are based on faulty reasoning and a misunderstanding of how cartridge bearings hubs work.