There are guides and breakdown diagrams on the Nicolai.net site in the ‘service’ section – these show how each of the frame assemblies is constructed. You’ll find them in the ‘service’ section of nicolai.net
Latest shock spec and bushing/spacer sizers are here
There is also a Nicolai Service Channel on YouTube. At the moment this only has Nucleon information is planned to expand over time.
If you don’t find what you’re looking for drop us a mail. We are working on translations of the key sections but these things take time.
If you’re looking for specs of an older frame a Russian site hosts a huge number of bike catalogues