I found this website whilst surfing for my next pair on my Honda Enduro. Obviously, we are all on here because we own a Russian, Ukranian or Chinese sidecar rig, but that does not mean it's the only bike we have, so perhaps this site may be of use to some of you for bike or car!!

Note there seem to be several country versions so if you are Europe based you can click on a given flag, or US based you can click on another and see brands and models for your home market.

HTH!

http://www.tyretest.com/motorradreifen/index.html