I did look at the C-Drive, but the edge is pretty rounded. Most people think it's more sidewall flex than A539 (which is more SW flex than A509).

Haven't driving a car with it though.. so I don't really know. The ES100 is also a bit rounded on the edge.


Quote Originally Posted by aaronng View Post
AD07 has a wear rating of 180 though. Very soft and won't last as long a the A509. Have you looked at the tread pattern of the C.Drive?