PRICE INCLUDES INSTALLATION AND BALANCE AVID T4 - Premium Sport Touring Radial A sporty feel, true all-season handling and a design conceived for the long run, the AVID T4 is the perfect combination of reliability, durability and performance. An array of technologies reduce the distractions of road noise, yet provide precise handling that makes driving fun. Features: New tread compound for optimized grip, wear and crack resistance. High wet performance and noise reduction through "20 degree V-Groove". 74 pitch tread design for low noise and riding comfort.