• do you know the full name of the headset?
    Sounds really strange. I have not come across this.
    What's it like if you back off the top cap tightness 1/16 or 1/8th of a turn.

  • The headset is an "FSA IS Integrated" something. That's what comes on the otp bike and I remember looking that up and then buying the same to be sure that it would fit; irony.

    @Scilly.Suffolk - pics and super-helpful diagrams incoming shortly.

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