i'm using gabs abs for my front & rear coupled with stock/standard g100 spring...The ride can says feel a bit bumpy..but i get used to it already & love it during hi-speed & cornering..Is it advisable for me to change to sport abs?..But the only problem is during hard cornering (with passengers at the back), feel like something touching the rear fender..Changing to sport spring, will it eliminate my problem.... ..Fyi..I'm using 195 50 R15 tyre...