The Ironman RB-12 from Hercules is an entry-level, all-season touring tire. It features a symmetric, five-rib tread design with slotted shoulders, moderate siping and wide grooves. The variable tread design is engineered to reduce noise and deliver ride comfort. Hercules anticipates the tire will be available in 21 sizes in the first quarter of 2013. 13-inch (three): from 155/70R13 75T to 175/70R13; 14-inch (six): from 175/70R14 84T to 185/60R14 82H; 15-inch (eight): from 205/70R15 96T to 195/55R15 85V and 16-inch (four): from 215/65R16 98T to 205/55R16 91T.
