Kastaplast Berg (K1 Grind) Understable GStar runs are slightly less

GStar runs are slightly less stable than Star or Champion

The premium Platinum plastic blend provides a tacky yet flexible feel with exceptional grip and durability—perfect for consistent throws in any condition

Ideal for mastering controlled approach shots

Named after New Zealand’s rare and graceful fairy tern

Controlled glide: Delivers long

Kastaplast Berg (K1 Grind) Understable GStar runs are slightly lessThe Kastaplast Berg in K1 Grind takes everything throwers love about the Bergs controlled, low glide flight and pairs it with a unique run of Kastaplasts premium K1 plastic. Grind runs often feature slightly different stiffness, grip, or stability depending on the batch, giving this version of the Berg a distinct feel while still delivering the trusted performance the mold is known for. The classic thumbtrack and sunken flight plate lock comfortably