Aspen GT-AS. FEATURES AND BENEFITS: All season traction; Enhanced controllability; Longer lasting tread life; High speed performance; . OVERVIEW: The Aspen GT-AS is a performance and high performance, all season tire manufactured for passenger vehicles and SUVs. This model has some touring sizes available as well. Aspen offers a 50,000 mile treadwear warranty with H and T speed rated sizes.All season traction is promoted with the asymmetric tread design and the durable compound. The all season compound and the asymmetric ribbed tread design work together to boost the dry, wet, and winter weather traction. The sipe and notch placement helps to increase the grip on the road surface with extra biting edges, while the compound maintains the flexibility of its rubber elements. The circumferential grooves prevent hydroplaning in wet weather conditions, promoting a safer driving experience in versatile weather conditions.The ribbed tread design maintains the surface contact at all times. As a result, the tire is able to increase the steering responsiveness and driving stability. In this manner, the tire promotes a quick and precise steering response to the driver's commands, while the structure is secured against the driving pressure affecting the tire. The shoulder block placement increases the cornering ability as these elements provide extra biting edges to grip the road surface. The asymmetric tread's elements generate friction, shortening the overall braking distance. These enhancements greatly boost the overall controllability.The tread design and the all season compound work together to boost the usability. The stronger compound elements and the durable tread design increase the service life. The durable compound keeps the rubber flexibility and helps to prevent heat build-up across the tread area, which greatly decreases the tire's overall treadwear rate. The asymmetric ribbed tread design evenly circulates the driving pressure across the tread area, avoiding irregular and premature wear formations. The slow and even wear significantly boosts the overall service life.The GT-AS upgrades the high speed durability. The stronger construction and the durable compound work together to increase the high speed performance. The structure keeps the ideal tire shape under the high speed pressure, while the compound prevents heat build-up across the tread area. This combination enables the tire to boost the overall high speed performance. Manufacturers recommend changing tires every 10 years. As long as tires are properly stored before they are sold, the year of their manufacture will not shorten their service life.