Centering Rings (Set of 6)
Centering Rings (Set of 6)
Width : 10 mm
Inside diameter : 11.5 mm
Material: Steel
These bushings are inserted on the axes of the rollers and allow the garage door to be centred. They thus limit the movement of the door leaf.
If your garage door nevertheless shifts too much to one side, you may want to reconsider the parallelism of the tracks.
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