Nexen N'Fera SU1 215/45/17 91W Performance Sport Tire12351NXK 215 45 17 2154517 Nexen N'FERA SU1215 45 17 The Nexen N'Fera SU1 is a high performance summer tire manufactured for passenger vehicles. Nexen offers a 25,000 mile treadwear warranty with this model. The tire provides exceptional summer weather traction thanks to the tread pattern and the tire compound that improve the wet and dry weather road gripping ability. The model, however, is not meant to be used in winter conditions, as the tire