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How to assemble the rear bicycle hub

How to assemble the rear bicycle hub

Bush - one of the most important bicycle componentsany model. The quality of this item depends on the efficiency of the transport, which is important for the most cyclist who spends at driving their own.

The front sleeve has a simpler design than the rear because of the necessary withstand heavy loads.

Therefore, the rear bushing repair is required more often.



While the rear hub assembly should consider,that the right and left ends of the different axis. Right is fixed to the axle by means of locknuts, and then never removed from it. Therefore, all adjustments are left cone. Do not confuse with which side of the hub will need to insert the axle with the right cone.


Lay a hub shell and a cup bearing withboth sides of a new grease, then use tweezers grab the balls and push them into it. lubricant layer should be thick enough to pellets could not roll out of the sleeve.


On the back of the sleeve on the right side of the balls, applywasher and insert the cone with the right axis. This should be done cautiously. Otherwise, you risk losing balls that may fall out of the cup on the opposite side of the bearing.


Tighten the left axle cone, but in any case do not tighten it. After that, put the washer and screw the lock nut.


Now you need to adjust the bearings. To do this, provide a fixed axis. Call Assistant, which helps you keep right on turning the cone, and you at this time, adjust the left cone. In the absence of an assistant hold the lock nut of the right cone in a vise, but do it carefully so as not to deform the nut and bushing.


With the tapered cone wrench tighten the Leftuntil it stops, but do not tighten it and hold at 45 degrees. Then, holding the cone wrench, tighten the locknut. All the while, the hub axle should remain stationary.


If done correctly, the axis will be easyrotate without jamming. Thus it should not have a large play. When a play or jams, unscrew the locknut and tighten or loosen the cone.


After adjustment, put dust caps and check the rotation of the wheel which should rotate without any effort only by the weight of the pin.

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