The Track Theorem earned its reputation as one of the best rolling balls in Track history by delivering a motion that simply worked across styles, conditions, and skill levels. Now, the Track Theorem Delta builds on that legacy, recreating the trusted Theorem shape with enhanced performance. Designed to stay true to the original’s benchmark performance, the Theorem Delta offers a powerful blend of strong midlane and a sharper response to friction, giving bowlers the best of both worlds. Compared to the original, it delivers added responsiveness downlane while preserving that sweeping ball motion that made the Theorem so reliable. The result is a versatile, go-to option that captures the essence of the original, now with more continuation and backend that Track fans love.

Specifications

• Color: Black/Indigo/Blue
• Coverstock: Super Response Hybrid (HK22)
• Weight Block: MC2 Asym
• Core Type: Asymmetrical
• Factory Finish: 500, 1000, 1500 Siaair / Factory Compound
• Radius of Gyration (RG): 16lbs - 2.485; 15lbs - 2.473; 14lbs - 2.487
• Differential (Diff): 16lbs - 0.044; 15lbs - 0.046; 14lbs - 0.046

Backed by expert drilling, fast shipping, and the best prices on performance gear. Shop the full arsenal at mojoproshop.com.

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