RESEARCH PROMPTS USBC TO PROPOSE ADJUSTED SPECIFICATION FOR BOWLING BALL HARDNESS

Terry BighamApril 22, 2020 2020 HARDNESS RESEARCH REPORT ARLINGTON, Texas – After conducting research and performing field tests on bowling balls used in competition, the United States Bowling Congress proposes adjusting the specification for ball hardness to 73D for all models. As part of the proposed specification change, USBC proposes eliminating the use of field tests […]

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