The thing is that nothing catches my nail and I can see only variations in the direction of reflection. It is unclear to me what that
means so I'm here asking for second opinions.

by MTC-5

3 Comments

  1. walton_jonez on

    You may have caught it in time. If there is no groove in it, I’d personally ride it.

  2. Michael_of_Derry on

    It looks like the carbon or resin in that area has been polished. I would not worry about it.

    I bought a bike where a thin metal shim was used between the compression ring and top cap. The shim cut through most of the steerer tube.

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