BBMRXW12L

Roto Grip RST X-2

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Continued Greatness

Roto Grip RST™ X-2 - Given the continued success of the RST™ X-1, we knew the next ball in the series using the Roto Star Tour Core was going to need a special coverstock wrapped around it as well. So, after countless tests involving multiple players of different styles, we determined that the eTrax™ pearl material gave us the type of reaction we were looking for, but we wanted something a little more while still using that same chemistry. So, the R&D team went to work changing the ratios and other variables until we settled in on the NEW eTrax™ PLUS Pearl Reactive formula that provides a larger footprint throughout the entire lane without reducing the responsiveness to friction down lane. Creating yet another viable pearlized coverstock option for the Roto Grip family of balls.

eTrax™ PLUS Pearl - Cleaner through the front of the lane – CHECK! Provides traction throughout the mid-lane – CHECK! The most responsive eTrax coverstock down lane we have ever created – CHECK! The eTrax PLUS coverstock material is the most advanced version of the eTrax chemistry we have ever concocted. After countless hours of testing on the lanes paired with mixing, re-mixing and adjusting in the R&D Lab, we found a way to enhance the overall performance of this material by changing ratios both up and down in the chemistry in order to create this overall “stronger” version. Thus, making this cover more aggressive and responsive than the original eTrax covers, but not as early and smooth as the MicroTrax™ covers.

RST™ Asymmetric Core - Professional bowlers like to see continuous motion down lane with minimal deflection as the ball enters the pocket due to their rev rates usually being on the higher side. This logic was the basis of development by the R&D team as they looked to create a core that would maintain dynamics after drilling in order to maintain a higher level of core torque down lane. The larger mass at the base of the core does indeed create that. Especially since when drilled, the thumb hole will always end up in the void area not really affect the bottom mass of the core. Thus, making this core a “Tour Level” type core design better known as the Roto Star Tour Core (RST™ Core).


  • LEVEL HP4
    PART NUMBER RXW
    COLOR(S) Tanzanite
    CORE RST™ Asymmetrical Core (Roto Star Tour Core)
    COVERSTOCK eTrax™ PLUS Pearl
    COVER TYPE Pearl Reactive
    FINISH 1500 grit Polished
    FLARE Med-High
    DUROMETER 73-75 on D-Scale
    LANE CONDITION Medium to Medium-Heavy Oil
    WEIGHTS 12-16 lbs
    RELEASE DATE 08/27/21
    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 2.52 0.049 0.015
    15 lbs 2.53 0.053 0.016
    14 lbs 2.55 0.053 0.016
    13 lbs * 2.57 0.032 0.010
    12 lbs * 2.59 0.029 0.008
  • Roto Grip RST X-2 - Ad Sheet

    Roto Grip RST X-2 - Tech Sheet

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