That was more my own interpretation of what it says, the description for the CS55 does say street & circuit . Google language tool's direct translation:
Note:
Depending on individual differences, CS55 ride to town to be a strong thrust
Feeling the passenger seat and rear seat who may fear offensive
. Be careful when making your purchase please.
On the road it I think a certain amount of load over the front is a good thing to gain traction out of corners, imagine that's less of an issue on the track as it is above a speed where it becomes difficult to break traction. As long as you don't have to over correct, sounds like a winner.