Does the 13 pound ball have the same core (weight block) as the 14 and 15?
Hammer Black Widow Purple Overseas Bowling Ball
Open May 07, 2021 - 07:56 AM
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May 07, 2021 - 07:56 AM
The 13LB core is slightly different and has the following numbers
13 lb - RG (2.589) DIFF (0.043) ASY (0.011)
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