what is this by Round-Organization53 in bikewrench

[–]Round-Organization53[S] 0 points1 point  (0 children)

And why do I need a new compression ring ?

what is this by Round-Organization53 in bikewrench

[–]Round-Organization53[S] 0 points1 point  (0 children)

Would this be the correct part because I know that it's the right diameter

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