Dunlop roadsmart iii 120/70 zr17 (68w) front tyre honda cbr 600 f4i us 2001-2007 the mt3 (multi-compound technology) results in a high wearing center compound developed with abrasion-resistant high-molecular weight polymer to not only increases the tire life, but also significantly improve the wet grip as well as low temperature grip, while the shoulder compound is comprised of a grip focused micro-particulate silica compound designed to achieve superior corner grip.