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You are here: Home / USBC / USBC issues final adjusted bowling ball hardness specification

USBC issues final adjusted bowling ball hardness specification

June 8, 2020/in USBC /by Terry Bigham

USBC Communications | Bowl.com

USBC has raised the minimum hardness to 73D for all models after reviewing comments from manufacturers.

Source: https://bowl.com/News/NewsDetails.aspx?id=23622334480

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