BBMRGM12L

Roto Grip Gem

Weight

Roto Grip Logo

Brilliant. Extraordinary. Magnificent.

Roto Grip Gem™ - Call it what you will, but we prefer to call this beauty exactly what it is, a GEM™. Not only will its breathtakingly good looks mesmerize your competition, but its overall performance will as well thanks to the inner treasure known as the Defiant™ LRG Core - (the lowest RG asymmetrical core Roto Grip has ever created.) Which means this is by far the fastest revving asymmetrical core we have ever produced. And well, we couldn’t just stop there, so we wrapped this monstrosity of a core with the most aggressive solid coverstock we make known as MicroTrax™ Solid Reactive. Making this ball dazzle on those Heavier Oil Conditions.

Micro Trax™ Solid - The MicroTrax (Micro Nanoparticle Traction) Coverstock offers the optimum balance of midlane traction and responsiveness to friction thanks the blend of nanoparticles throughout the coverstock. This formulation maintains its surface profile texture longer to ensure you get maximum performance while displacing oil at an above average rate compared to other coverstock materials on the market today.

Defiant LRG Core - Sometimes evolution can spark new life into technology from yesteryear. Such is the case with our latest introduction to the HP4 Line of balls. With recent more in-depth studies of flare migration and core tendencies we circled the wagons back to the Defiant Series of bowling balls which featured a core ahead of its time regarding flare migration in order to create a longer constant motion. Upon further review and testing, we found that by altering the composite of this core shape, we were able to create the fastest revving, strongest continuing, lowest RG asymmetrical core we have ever offered in the history of ever now known as the DEFIANT™ LRG CORE.

  • LEVEL HP4
    PART NUMBER RGM
    COLOR(S) Citrine / Ruby / Amethyst
    CORE RST™ Asymmetric
    COVERSTOCK Micro Trax™ Solid
    COVER TYPE Solid Reactive
    FINISH 2000 Abralon
    FLARE High
    DUROMETER 73-75 on D-Scale
    LANE CONDITION Medium-Heavy to Heavy Oil
    WEIGHTS 12-16 lbs
    RELEASE DATE 03/11/22
    WARRANTY Roto Grip 1 Year Limited Warranty
  • * Product Note: 12 and 13 lbs models of this ball use an alternate core that is different from the heavier models.

    WEIGHT RG DIFF INT DIFF
    16 lbs 2.47 0.051 0.016
    15 lbs 2.47 0.053 0.016
    14 lbs 2.50 0.052 0.015
    13 lbs * 2.57 0.032 0.010
    12 lbs * 2.59 0.029 0.008

  • Roto Grip Gem - Ad Sheet

    Roto Grip Gem - Tech Sheet

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