Interference Fit

Interference Fit

The real smoothness of the hub is decided by the accuracy of bearing and hub shell instead of the bearing itself. If it is too loose, it feels smooth but the framing will damage the hub soon.
There are 2 facts we need to consider: different bearing brands have different size tolerance, spoke tension widens the hub shell.
So our hub is machined slightly tighter for higher accuracy in use. 

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