The Nexen N'Fera AU7 is an ultra-high-performance, all-season tire that offers solid high-speed performance without compromising all-season durability. Backed by a 50,000 mile limited manufacturer tread life warranty, the N'Fera AU7 delivers strong traction, handling, and stability in dry, wet, and light wintry conditions. Available in 51 sizes and 16-20" rim sizes, the N'Fera AU7 is backed by Nexen's Total Coverage Warranty which includes road hazard coverage for 3/32" or 2 years (whichever comes first), 36 months of roadside assistance, and a 45-day/500-mile free trial.