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Originally Posted by Still SP3
Is that 2 seconds a lap for P.I.R. or the Isle of Man?
Just gotta love blanket statements!  |
It was a joke..but there is some truth in it too.
Check out last years article "sexual healing" in FASTBIKES. The Vivaldi Race team tested a ZX10. They averaged 2 seconds faster per lap in just one session. They felt with an empty track they could drop it to 3 seconds...but best of all the reduced lap times come effortlessly.
Racers in the USA have reported 1-2 seconds per lap faster when changing from mag wheels...so it is not a fluke.
Hayabusa Drag racers report -.1 to -.2 difference consistently with no other changes in the quarter mile.
The 900SS would make even a greater difference as it has less power than a Zx10 or Hayabusa.
....but of course, your results may vary....
but there is some validity and benefits to ultra light wheels....and there are some tangible numbers out there to prove it if you look for it.