Old 07-02-21, 02:02 PM
  #6  
CliffordK
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It appears to be an expansion plug mount.

I wonder if it is proprietary to the SKS fenders. The fenders appear to be cheap enough that it may be easier to simply buy a new complete fender set.

You might check if a 1 1/8" steer tube expansion plug would work upside-down.
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