Quote Originally Posted by speedminded
if you're in the market for 615's then the ziex is not even an option....no where near the same level tire but very few need a competition tire or will even put it to use
i have the ziex on the fit and it is fine but as you said they are not even comparable. the 615's are loud and wear very quickly.
note: i still like the 615's and have bought 2 sets of them, i just dont think they are the best choice for commuting to work everyday.