How to Fix the Squeak 

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Pictures show hub only. Please do not attempt to remove hub from your disc
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Remove aluminum spacer. 2 mm allen wrench.
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Cassette carrier will now slide right off.
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Place a drop of light oil onto each of the three pawls were they contact the steel pawl carrier. Any chain oil works.
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Reassemble. The cassette carrier is easier to install into the hub if you turn it counter clockwise while pushing in.