moin in the round, I have some questions about the built-in nivomates in my t5r. 1. are there differences between the T5R Nivos and series? 2. Are there qualitative alternatives to the series nivos? 3. since the series nivos are no longer produced by sachs, what about delivery bottlenecks? 4. 470EUR for sportnivos T5R, is this price OK? 5. if I exchange the nivos, what should be done immediately? 6. if the nivos hang down after 2 days..but after 100 meters again top stand… should they then be renewed? thank you for your feedback.