Hot Racing VXS21BR02 Brake Disc Red Caliper 35mm 1/16 Rev Made by Hot Racing; Hot Racing is a United States based company; parts are sourced from Chinese producers All Hot Racing upgrade parts are direct replacements for stock components; additional parts are not required Hot Racing part number VXS21BR02; UPC 083745623666 This item works with: Traxxas 1/16 E-Revo VXL