Instructables

Bike Hacking 101 - How To Perform a Bicycle Autopsy

Step 20: The fork bearings

Picture of The fork bearings

The fork bearings will fall out of the head tube cups once the forks have been removed. As shown in Figure 20, the bearings have two sides, a ball side and a ring side. Always place the bearing in the cups balls first, or they will not work properly. A stiff fork that does not spin freely is a clear sign of an improperly installed or wrong size bearing in the head tube cups. Yes, there are several sizes of bearing and cups, so keep the same parts together.


 
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