I’ve not heard of any manufacturer prohibiting 609 bring used on their frames. Using it with nylon cups such as those Sram use on their PF30 cups isn’t advisable as the nylon doesn’t take too kindly to the 609.spookyload wrote:I’ve been using it on frames since 2002 without creaks or issues. 609 only helps if there is imperfections in the surface. It simply fills the gaps to correct that. Manufacturers are split on its use. Some actually void the warranty if you use it on their frames during assembly. Seatposts are cylindrical, do you use it when you insert them? I doubt it. Bar stem interfaces are cylindrical do you use it there.? No, you use carbon paste.ultimobici wrote: ↑Sat Aug 11, 2018 7:38 pmNever ever use grease. 609 is a compound for fitting cylindrical items together. It fills the gaps and sets to prevent movement. All grease does is helps the cups move.spookyload wrote:I installed mine with grease. Not a peep. I was told loctite is used if to creaks after you try grease first
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I suspect you’ve just been lucky.
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