No sadly. I looked at their site and saw nothing. I suspect I have one of these knocking around and can salvage one of parts to make the extension I need.
Got any of those rack extension lying around? that exactly what I use as it's a lots stiffer, LBS should have some for you to buy, I know Evans does.
The SKS mudguard bridge you linked isn't stiff enough to withstand the amount of flex (I found out the hard way);
No sadly. I looked at their site and saw nothing. I suspect I have one of these knocking around and can salvage one of parts to make the extension I need.