Pirelli Tires-WINTER SOTTOZERO 3 315/30R21 105V BSW

315/30R21

The Pirelli WINTER SOTTOZERO 3 tire comes in 315/30R21. It has a Load Index of 105 which means the tire is rated to hold up to 2039 lbs. The tire has a Speed Rating of V so it is rated to go up to 149 mph. The tire comes in a Black Side Wall.The WINTER SOTTOZERO 3 by Pirelli is formulated with an optimized rubber compound featuring special polymers that enhance the rubber’s mechanical, thermal, and dynamic properties. This compound forms into a directional tread pattern with an augmented contact patch. The contact patch is furnished with arrow shaped center blocks and curved shoulders that funnel water and slush away from the tire. Pirelli’s high density 3-D sipes technology bolsters snow to snow traction and braking properties. Internally, the WINTER SOTTOZERO 3 is reinforced with dual steel belts and a spiral wrapped polyamide element that amplifies thermal stability.