Ready to master medium-heavy lane conditions? Experience smooth, continuous motion with the Cove, the latest addition to the 800 Series. The RB 85 Hybrid Coverstock combined with the symmetrical Magna A.I. Core, offers the balanced and consistent motion bowlers crave. Pair it with the Ember for a more dynamic ball motion and be prepared for any medium condition you may face.

Stay Balanced on Medium Conditions

The all-new symmetric Magna A.I. Core offers an innovative dual-hemisphere design that delivers unmatched consistency down the lane. This core was designed to create one of the most continuous and stable ball reactions in the entire 900 Global lineup.
Whether you're facing transitioning lane conditions or just need some reliable ball motion frame after frame, this core will offer the stability you are looking for.