Originally Posted by
djmcnz
Carbon fibre transmits sounds like nothing else - if your pads are making the noise then they're making the noise irrespective of where you can hear it. There's nothing mechanical in the frame itself. Brake pad squeal is usually because the surface between the rear of the pad and the caliper is not seated our lubed properly.
Thanks for that. I couldn't figure out how the sound could be coming from within the frame! Hopefully the shop will know the fix. Looks like Stan's Grail Comp disc for me with 32 tires.