Discus 1 Kilo | Light & Heavy Training1 Kilo Light and Heavy Training Discus Training with a heavy discus builds the specific strength top throwers rely on for big throws. Training with a light discus improves speed, timing, and release velocity. Both are essential skills for technical development and peak performance. Available in Light and Heavy Versions Light for increasing speed and rhythm Heavy for building specific strength Trusted Brands: From Polanik and ATE Steel Rim: For a solid