Nitto cockpit are known to do this. Disassemble and regrease EVERYTHING and reassemble and the problem may or may not resurface. I have experienced this issue only once, I addressed it, and it never resurfaced.
The roadside fix is a couple of drops of wet lube into the bar stem interface and tighten the clamp bolt. -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To unsubscribe from this group and stop receiving emails from it, send an email to rbw-owners-bunch+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/rbw-owners-bunch/993de86c-39bb-45ad-9ec0-d60020d364dco%40googlegroups.com.