Yeah,that's how mine was too when I got it...it had a D.I.D X-ring that was more played-out than most of the women I've been with!.I'm with you on the Reginas,they've been my choice of chain since the early 90s...but when I started having issues with the case getting chewed up,I did some research on different chains.Part of the problem was it had a spanked 14T Sunstar front and the collar inside the shaft spline was worn,so it enabled the sprocket to woble a bit.So I replaced the o-ring,the collar,the C-clip,and put a new Renthal 14T on...the way the Renthal was designed/machined brought it out away from the case a little more than the Sunstar.Now for the chain,I ended up going with an RK-MXU-ring.....I know,NOT my favorite choice at all,but....it has a 9000lb tensile strength,which is good since my left hand suffers from a disease called "Groping the clutch too much"...where as the Regina was about a respectable 8400lbs,and the MXU is far narrower than any other O-ring I've seen and lighter at about 3.3 pounds.....and I gotta say,I've had it on there for roughly 8 months and only had to re-adjust it once after the 1st ride.I can honestly say,I'm impressed with RK for once.