ECX FR/R Tire Prmnt Blk Whl (2):1:10 2wd/4wd Torment Made by ECX Electrix; ECX Electrix is a United States based company; parts are sourced from China producers ECX Electrix part number 4003; UPC 605482015575 This item works with: ECX 1:10 4WD Torment Short Course, 1:10 Torment Short Course