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Relativity Flip reactive coverstock is Brunswick’s newest advancement in our performance enhancing coverstock technology. This Pearl coverstock produces extra length through the heads with exceptional bite on the backend to achieve maximum flip.
The New Modified Mastermind Low RG core features a single density squared-off elliptical inner core. The core is dynamically designed to extend the rotational energy, boosting angular velocity to transfer energy to the pins for increased pin action and higher scores.
The new Mastermind Brainiac with its Royal Compound finish, provides excellent length through heads and mid lane creating an unsurpassed move on the backend on medium to oily lane conditions.
The Mastermind Brainiac can be drilled using the standard drilling techniques developed for asymmetric core bowling balls.
At Brunswick, the unique core shape of each individual ball is used for weights from 14 to 16 pounds. This approach to lightweight ball engineering provides bowlers with consistent ball reaction characteristics across this weight range. At 12 and 13 pounds, Brunswick uses a generic core shape with a RG-differential that is close enough to the 14 to 16 pound shape so the same drilling instructions can be used.