Enhance your spin, maximize your distance and accuracy, and give your elite thrower elite equipment with the Cannon Sports Advanced Alloy Rim Discus. This discus is suitable for all advanced throwers, including elite high school, college, NCAA and Olympic track and field athletes. Meets all specifications set by IAAF and produces an ultra-high spin rate to maximize distance and enhance accuracy, and with its corrosion resistant rim and high impact resistant ABS side plates, the disc is sure to give you long lasting, durable use. Perfect for high level training, practice, and competition, the disc is a must-have piece of equipment for any beginner or high-level athlete. Train and perform like the best with the Cannon Sports Galvanized Steel Rim Discus. Available in a variety of sizes. Rim Weight 2kg = 85%: 1.6kg = 80%: 1.5kg = 80% 1kg = 78%.