Sports ring 17cm rubber PTR CE SMJ sport R-175 Properties: Diameter: 17 cm Weight: 160–165 g Design: hollow section with decompression valve Surface: grooved – better grip and stability Material: soft, flexible rubber Certificate: CE Meets the requirements of the Polish Ringo Society (PTR) Professional ringo for game and recreation The Ringo R-175 is a classic model designed for games and active play, as well as for training and competitions in accordance with the rules of the Polish Ringo Association. Made of soft, flexible rubber, it is safe and comfortable to use – for both adults and children. Stability and comfort Thanks to its grooved surface, the ringo offers a secure grip and precise control during play. A decompression valve improves durability and ensures optimal operating conditions. Its carefully selected weight (160–165 g) guarantees a stable and dynamic flight. The product is CE certified, confirming its safety and compliance with applicable requirements.