Quote Originally Posted by Xian View Post
Having driven and raced on RA-1's, I'll disagree. RA-1's will chunk at full tread*. Additionally, they get quite a bit faster when shaved due to reduced void area. These two things combined results in a *big* advantage to those will to shave and toss tires and even *requires* folks to shave them for dry use.

*Possibly specific to FWD'ers.
Also, if the RA-1 is same/similar in compound to the NT01, which is what the theory is, they will cycle out way earlier than a street tire.