39X13.50R17LT Bfgoodrich Mud-Terrain T/A Km3 121QConfidence on every journey starts with the 39X13. 50R17LT Bfgoodrich Mud Terrain T A Km3 121Q. The MUD TERRAIN T A KM3 from BFGoodrich focuses on stability, road feel, and everyday ease of use. Featuring a sturdy Blackwall sidewall, it pairs style with practical protection. The tread pattern is tuned to maintain traction on dry pavement, manage water in the wet, and stay composed in light snow. Perfect for LIGHT TRUCK MUD MAX TRACTION use, it