Indeed a big thanks to tsl!
I am also using a AXA Defender with chain + Kryptonite NY 3000. I suppose I should relax. New bike so shiny... if I were the sort... I'd steal it!
PS: For any of you trying to find a ringlock you might try browsing ebay.de or ebay.nl and searching for Rahmenschloss. I did and found a lot of sellers much cheaper than the UK willing to ship international.