Do the 12 and 13 lb 900 Global Cove use the same core as the 14 to 16 lb?
900 Global Cove Bowling Ball
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Open Oct 08, 2026 - 04:58 PM
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Staff Answer
Oct 08, 2026 - 04:58 PM
No. 900 Global lists different numbers for the lighter weights: the 15 lb 900 Global Cove is 2.490 RG and .044 differential, while the 13 lb is 2.580 RG and .047 differential and the 12 lb is 2.640 RG and .037 differential. Those are the numbers of a different core shape, and the lower differential means less track flare, so the 12 and 13 lb roll smoother and hook less than the 14 to 16 lb. The full table is on the product page.
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900 Global Cove Bowling Ball
What should I know about the Cove? Symmetric Magna A.I. Core with a dual-hemisphere design for continuous, stable motion RB 85 Hybrid Reactive cover at a clean 4000-grit finish A smooth, controllable benchmark for medium-heavy oil
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