Nankang Sportnex AS-2+ ( 245/30 ZR21 91Y XL, with rim protection (MFS) )

The void ratio of the inside and outside are respectively 38% and 34%, and it can improve tyre’s drainage efficiency and also wet handling. With broadened circumferential groove width, the section area of inside/ outside grooves is increased 21.3% and 43.8% respectively compared to the conventional design. And it can increase the volume to contain more water for better drainage performance. Brand new profile design and reinforced sidewall design can upgrade tyre stiffness. Serrated wall of circumferential groove: Discharge water in the circumferential grooves promptly and e