2- 25 X 10 12 BEAR CLAW ATV / UTV TIRES MOUNTED ON. Polaris ranger 570 25 bear claw atv tire & viper m/b wheel kit pol3ca the original bear claw the best tire for use under a wide array of conditions. 6-ply rated extra tough casing resists punctures. Angled knobs dig into the terrain for maximum traction.