YY VERTICAL Climbing Balls 100mm - Mixte - Beige - size only size- model 2026 only size

The YY Vertical Training Balls are training accessories designed to develop grip strength and endurance in fingers, wrists, and forearms.Available in four sizes (8, 10, 12, and 14 cm), they let you adjust the training difficulty based on hand size or exercise type.Made from high-quality wood, they offer a smooth surface that protects the skin during extended use.Their spherical shape engages deep muscle groups, making them perfect for hangs, pull-ups, and traction drills.Equipped with a rope or anchor system, they can be easily mounted on training setups at home or outdoors.These balls are essential tools for climbers seeking to build real functional strength and improve grip precision.