Hot Racing HPI Nitro MT2 aluminum front c hub NMT2019 by Hot Racing 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 NMT2019; UPC 083745327472 This item works with: HPI Nitro RS4 Nitro MT2 4wd