GI-26 Coverstock

The upgraded GI-26 (Game Improvement 2026) coverstock builds on the same performance principles as the original Alpha Crux with the GI-16 coverstock, engineered to handle today's heavier oil volumes. Its deep surface texture functions like a rudder on a ship, allowing the ball to make a decisive and predictable move at the breakpoint. Bowlers will experience enhanced traction through the front while maintaining consistent backend motion, delivering the reliable Crux reaction that made the original a favorite.

Engineered for Heavy Oil

The Alpha Crux was engineered specifically for heavy oil conditions by combining a high-traction surface with a core designed to maintain strong energy through the lane. The coverstock is built to grip through heavy volumes of oil and create a controlled, predictable move as the ball transitions off the pattern. At the same time, the core system is designed to preserve energy so the ball doesn't lose its strength at the breakpoint. For a league bowler, that means a more reliable reaction on fresh or tougher house patterns, with less over-skid and a stronger, more confident finish through the pins.

Intact Core Dynamics Post-Drilling

The Catalyst Core's double cavity design helps preserve the ball's intended motion no matter how it is drilled. A large central cavity allows pin-up, pin-down, or stacked layouts to all sit within the same engineered space, keeping the most dense part of the weight block unaffected by the thumb hole. This helps maintain the core's intended RG values after drilling. The result is a more consistent, predictable shape and reaction from layout to layout, regardless of how the ball is configured.