Stock of s1's and r1's dried up first. I'm not sure that means the Pro Spec was a replacement for the r1. Not that it really matters.
Originally Posted by
OldfartWal
Try buying a R1 now, there seems to be no stock, the SpecR site had out of stock on the R1 when I bought my ProSpec, now 3 months later there is still no stock, you can buy the R1 spec chassis & top plate, but not the actual kit.