What weights does the Hammer Black Widow Mania come in, and do the specs change by weight?
Hammer Black Widow Mania Bowling Ball
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Open Oct 08, 2026 - 03:00 PM
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Staff Answer
Oct 08, 2026 - 03:00 PM
It is listed in 12, 13, 14, 15 and 16 pounds, and the specs change by weight. The 15 pound measures a 2.500 RG and a .058 differential, the 14 pound is 2.500 and .056, and the 16 pound is 2.510 and .048. The 13 pound is 2.589 and .043, and the 12 pound is 2.612 and .043.
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Hammer Black Widow Mania Bowling Ball
What should I know about the Black Widow Mania? Legendary asymmetric Gas Mask Core for big flare and a defined breakpoint HK22 Cohesion Pearl cover at a 1500-grit polish for length and a sharp backend The modern, angular pearl of the Black Widow line
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