1 Kilo Cantabrian Gold Hyper Spin Discus Cantabrian Gold Hyper Spin 1K Discus. Wins Olympic Medals More records than any other Discus in history Bronze rim with 84.5% rim weight. Throw it. Love it. Have a blast. Looks good too. More spin, more carry, more stability, more distance. Meets all IAAF, NCAA and NFHS specs and IAAF certified.