goodboyr wrote:TheDarkInstall wrote:goodboyr wrote:Can you give an example of one?
An example of one what? A hub where QR force doesn't affect bearing preload?
Extralite CyberRear SP.
The arrangement has the locating bearing in the outside end of the freebody, then 3 more bearings spaced out across the freebody and hub shell. The opposite non-locating bearing has a preload adjuster sitting against it. The axle end have nothing at all to do with the preload on the bearings, and you can clamp the hub in as hard as you like (within reason, of course!) and the bearings won't be affected, as all you are doing is putting force down each end of the axle.
The manual for these hubs says that to adjust preload properly, the hub must first be properly clamped with appropriate qr force in drop outs.
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Yes, but this is not because QR force affects it. It is because to get the absolute correct preload, you need to spin the wheel and observe how smoothly it comes to a stop, when in the bike. Turning the axle with your fingers with the wheel out the bike can not show this.