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Bowling Ball Static Weight Specifications

If you are new to the game, the USBC (United States Bowling Congress) places specification limits on the weight of bowling balls including static weights before after drilling.

Static weights in a bowling ball are the total weight and the imbalances measured on a scale when the bowling ball is at rest.

The USBC rules show that if the current static weight limits were eliminated or increased, the typical three-phase motion of bowling balls as they travel down a lane (skid, hook, and then roll) would be significantly altered.

Eliminating or increasing bowling ball static weight specifications would likely produce a fourth phase of unpredictable motion making it difficult for pro shop professionals trying to predict bowling ball motion for their customers when choosing drilling layout options.

Static weights consist of top, bottom, finger, thumb and side weights.

Current USBC specifications allow a maximum 3 oz. of top or bottom weight, and 1 oz. each of side, finger or thumb weight.

Static weights are affected by ball dynamics and surface alterations developed by modern technology.

In the end, USBC determined static weight specifications are still valid, even in this age of high-tech bowling balls.

If you have any questions or interest in learning more about static bowling ball weight specifications, merely inquire with your local pro shop professional.