The new “SMX” dry compound has a cold durometer of 60. Its unique rubber formula accepts temperature quickly, has a wide operating range, and delivers a consistent performance curve throughout a race stint. The structure of the tire has an intuitive feel behind the wheel. Drivers noticed a distinct level of confidence,
underscoring the “SMX” tire’s exceptional handling characteristics over curbs and predictability at the limit.
The accompanying wet tire, “SMXW”, is fitted with the same compound as the well-respected and race proven “SMW” rain used in Spec Miata competition.


