TIRE VX30 REAR 110/100-18 64M BIAS TT Mr. Do?It?All Off?Road tire from IRC Tire Developed with the help of top Sprint Enduro /Cross Country pro, the VX30 is the new IRC standard for soft?intermediate terrain replacing IX?07S and IX?09W. This tire offers superior grip, bump absorption and enhanced durability. Size is available in big bike sizes only.