The hidden bracket system for BAC quarter and half fenders is a practical and efficient solution for mounting Bad Ass Custom fenders. This bracket system is designed to securely mount one set of fenders, providing a sleek and seamless look. It fits perfectly with Bad Ass Custom quarter or half fenders, ensuring a clean and professional installation. With this hidden bracket system, you can easily and securely mount your fenders without any hassle, making it a must-have for any custom fender installation project.