Whilst I agree that the saddle pack layout is indeed the way forward this design, like the BJ4WE / Yok BX and their imitators, places the weight too far back in the wheel base to give the sort of balance we need in the UK. The Atomic Carbon S4 works so well because it gets the weight forwards which not only helps steering but also allows the rear to rotate controlably on higher grip surfaces.
Remember in the UK (and northern Europe it would seem) we race on much higher grip (both traction and side bite) than anywhere else in the world. That is also why we run different types of tire too.....
Havinf said all that the trusted "ruler against the screen" method of assessing the layout shows the weight is slightly further forward than either of the two chassis mentioned above but still not as much as we can get away with in the UK.
It does have to be remembered though that we are a comparatively small market segment compared with the USA and Asian markets!
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