Originally Posted by Retem
stayer bikes often had negative rake so they could get as close to the motorcycle as possible and tuck into the air pocket for drafting to make the speed record attempt easier
drafting in the ideal part of an air pocket can increase your efficiency by up to 40% thus increasing speed
True, a reverse fork rake does allow the stayer to draft a few inches closer. I think it must also increase trail and make the stayer bike more stable at high speed (on a smooth surface).