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  1. pareto_optimal99 on

    On any giant lever — I rode a Bike Friday in multiple centuries, club rides and touring — like that handlebar mast, you’re going to get *some noise* when riding aggressively. Hard to tell whether it’s something to be concerned about from the rough description.

  2. It needs to be lubed and the type of lube matters in my experience. 3 in 1 oil is what I believe is recommended. I was using something different and ran out of parts to replace trying to get rid of a creak. The 3 in one fixed it.

  3. Not P Line or T Line, but I had a 2020 C Line that would make a creaking popcorn sound from there. Because partner at the time worked at Brompton they got the hinge pin replaced for me and it didn’t do it after.

  4. Bromptonm6l on

    My used to make a clicking noise from there but a tiny dab of grease on the flat parts that connect when the hinge is closed solved it

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