CUSCO is more competitive driving oriented
GAB if u have money get SS series if ur in a budget get HA series. by the way, the new GAB HA series uses the same system as SS series (black in colour and red coils) hence u can adjust the soft/hard (abit more ma'fan to adjust soft/hard compared to SS)..
i believe the complain about HA series is the older model where the height is adjusted by compressing the coils. the newer models, u just the bottom part of the absorber for height.
i am using the HA series on my waja.so far so good.ive set it to hard with abit of softness for damping on normal road. on highways and winding mountainous road, it performs like a charm for the price u pay.
new HA series is 1550, SS series is 2250