Dream On ... Not To Your specs .. (the Cannondale Head shocks may be one approach) ..

Moulton APB APB | Moulton Bicycle Club
A Leading link Fork . smaller wheels . triangulated truss frame.. Just cant Leave it locked up on the streets of NYC..
https://www.google.com/search?q=Moul...w=1808&bih=916

Rock Shox made a special fork to race Paris-Roubaix but stopped .. making them.. long ago..

http://www.bikehugger.com/post/view/...ty-years-later