Originally Posted by
Cpt.America
On our track the V1 provides FAR better side bite, equal forward bite. You run the V2s if you want the rear end to free up.
+1
Originally Posted by
Just1More
Here is the RB6 vs. RB5 521 arms, both are the exact same length hinge pin to hinge pin.
Still not sure what the 521-1 arms offer in terms of performance. I have a set I could try, but I like the way my rear is feelinng with v1Barcodes and don't get much time to test on race day.