Demon Tweaks seem to be the supplier for Zestino, broadly their price seems to be a touch cheaper than Nankang NS-2R, plus there's a choice of compounds, although not as many size options.
The semi-slick tyre from Zestino has been developed to provide superior grip and performance at an affordable price. Available in a choice of soft or medium compounds they are ideal for track days, drifting and performance road use.Semi slick tread pattern for high performance grip levelsE...
www.demon-tweeks.com