Hello everyone,

This is my first post on this forum, after many hours of reading.
I'm currently the owner of a grey-white-red GF-002 in size L.
It is setup with the Sram Rival AXS group set including powermeter.
I also used my AR56 lightbicycle wheelset with the grey Vittora tires.

Before I also had a GF-002 in matte black with a mechanical Sram Apex1 group set which I sold a couple of months ago.

I love the bikes, but on both I had/have some problems with the headset.
On the first matte black one I've used the integrated aero bar that was delivered with the old C-ring.
After filing the knobs of the C-ring and the spacers I eventually got rid of the headset play, and it stayed away.

But now on my new grey-white-red one I placed the separate stem with an FSA ACR compact bar.
So that I have the opportunity to place aerobars.

This bike already came with the newer C-ring without knobs but I can't get rid of the headset play.
Every time when I tighten it again then after some rough roads the play is coming back.
When I tighten the topcap I will get the play out and then I tighten the bolts of the stem to 5.5 Nm.
I also used Carbon paste.
But when riding over a rougher sections of road every time the play comes back.

Any ideas?
Greetings from The Netherlands