I had Zeals with a 6kg/5kg setup. For Sydney roads I found it too harsh so I purchased replacement King springs at 4kg/3.5kg.
Comfort/handling on the streets has improved.
Call me soft but I don't understand how anyone can go any harder if the car is going to be a daily driver. Even with the 6kg/5kg rates I found my car to be slower on the streets point to point compared to the standard equivalent car due to having to dodge or slow down for bumps and imperfections on Australian roads.


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I'm a girl and I can handle 16k/12k 
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