I dont think they do mutch better than 11.5 .
My old Sd did 11.-11.5 and i took many sportbikes 1/4mile/402m when i did som races .
I won 9 of 10 races with that one a -06 that includes 600cc/1000cc even an hayabusa got punished by me then
Its all about the start .
shure i got smoked by some 1000cc who could lanch it properly , but a little misstake and your got the advantage.
The other bikes got their advantage when they got the speed up , about 160km/h after that they goes faster compaired på my Sd .
Hyper i think a little less maybe 130-150km/h , but we can take back some with later braking
on track .
And here in Sweden the tracks are pretty small with lots of curves and a not so long straights how do i spell it
Im looking forward to hummilate the sportbikes here om track atleast at the small ones