How To Distinguish Good From Bad in A Hub

To determine the quality of a hub, it is necessary to use the instrument, but some surface things can be preliminarily determined by the following methods:
1. The brand hub is better than the miscellaneous one, please try to buy the brand;
2. Observe the appearance of the hub, the surface of the hub treated by the anode / baking paint is smooth without scratches, the color is uniform without accumulation, the spokes wire is empty and round with chamfers, if it is a disc brake hub, look at the disc brake screw hole, good hub, screw hole screw intact without damage, and no impurity blockage! Then there is a good hub, the outer packaging is exquisite and non-damaged!
3. Hands-on, after the hub is in hand, you should use your hand to turn a rotating shaft roller, the good hub is relatively smooth and lubricated, and the poor one is tight and loose, and even has stuck points; At the same time, to pinch the shaft roller to shake up and down and left and right, the good hub is no gap, so it can't be shaken, the bad hub may have shaking, if the hub with the base, you can also grab the base with your hand, shake up and down vigorously left and right to judge whether there is a gap between the base and the hub, and the gap is a bad hub, can not be used!