In the wake of PBA instituting new rules that take effect in January to eliminate urethane balls that get illegally soft with use from PBA competition, USBC has devised another test that purports to show urethanes getting illegally soft doesn’t matter in performance.
However, USBC’s test is flawed, according to Paul Ridenour, who worked for USBC in Equipment Specifications from 2006-10 and was a close associate of the late Mo Pinel, one of the industry's best known bowling ball...