The Bridgestone Turanza ER30 is a touring tire that delivers high performance tire characteristics without sacrificing ride comfort. Designed with a two-ply rayon body, two nylon
cap plies and two steel belts, the tire offers optimized dry handling and wet traction. It also features a UTQG rating of 140 for treadwear, and an "A" for both traction and temperature. Ther ER30 is an original equptment tire on select vechicles such as BMW 3-Series, 7- Series and the X5 SUV. The ER30 is avaiable in in rim sizes 15"- 19" with a "V" & "W" speed rating.