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ARLINGTON, Texas - Following three years of research on how technology has affected the sport of bowling, the United States Bowling Congress Equipment and Specifications Committee has established new specifications designed to sustain the playing field both currently and in the future.
The new specifications, which will be implemented over the course of the next two seasons, were announced at the USBC Convention in Reno, Nevada.
For a video summary of the changes Click Here
If you need help falling asleep or if you are a bowling geek contine reading.
Balance Holes and Static Weight updates
Effective August 1, 2018: bowling balls weighing more than 10 pounds may have up to 3 ounces of side weight, and up to 3 ounces of thumb or finger weight.
Effective August 1, 2020: all balance holes will be eliminated in USBC certified competition.
Effective August 1, 2020: a bowler cannot change the static weight of a ball during competition by drilling gripping holes deeper.
Effective August 1, 2020: a bowler may have up to five holes for gripping purposes, which must all be used by the bowler on each and every delivery.
Effective August 1, 2020: a bowler choosing to not have a thumbhole must mark the center of their grip with a "+" mark. The marking of this will dictate that the bowler cover this marking on every shot.
Effective August 1, 2019: only a dry towel can be used to clean bowling balls during competition. Liquid cleaners of any kind will only be allowed before or after competition.
Oil absorption update
Effective August 1, 2020: for a new ball to be approved, submitted ball samples cannot have an oil absorption time under 2m:15s, and must adhere to the 0.6% non-conformance rate. Any balls where the model average is under 9m:30s will require additional balls to be tested. Standard Operating Procedure will be provided more than two years in advance to manufacturers.
ALL CURRENT USBC-APPROVED BALLS WILL BE ALLOWED for use in USBC certified competition.
Click Here for a summary of the bowling ball specification changes.
Click Here to read about the conclusion of the research and for the specifications updates.
Click Here for the news release announcing the new specifications for bowling balls.
Click Here for Frequently Asked Questions (FAQ) on the new specifications.
Click Here for the for the full Bowling Technology Study released in February 2018.
Click Here to learn about the recent research related to balance holes and static weights.
Click Here for a copy of the equipment specifications pro shop presentation on the Bowling Technology Summary Findings.
Click Here to see the drilling hole specification announced in June 2019.
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