After 2 visits to MPS in a month, Manjee's brother (don't know his name), told me that the GY F1 A2 has more tendency to "go out of round" (causing vibrations at high speed) which needs to have the tires slightly adjusted in the rims and a higher tendency to lose alignment settings. Both of which happened to me. Having said that, I would also attribute my woes to dropping into sizeable potholes.
He also mentioned straight line tracking is not as accurate.
But then he was comparing it to the PSS... But then this is comparing something which is 4k+ vs 6k+ for 4 corners (for 19")?
Oh, for the GY F1 A2, I find they are very sensitive to low tire pressure - make sure the pressure are right. Mine worked best when I follow the "insane" tire pressures recommended by BMW on my E93 (260 F and 290 R).
He also mentioned straight line tracking is not as accurate.
But then he was comparing it to the PSS... But then this is comparing something which is 4k+ vs 6k+ for 4 corners (for 19")?
Oh, for the GY F1 A2, I find they are very sensitive to low tire pressure - make sure the pressure are right. Mine worked best when I follow the "insane" tire pressures recommended by BMW on my E93 (260 F and 290 R).