The Fortera Flip core incorporates a new shape for an enhanced breakpoint and extreme continuation. The core is dynamically calculated to extend the rotational energy, boosting angular velocity to transfer energy to the pins for increased pin action and higher scores.
Core Type
              Asymmetric
          16 pounds
RG
              2.500
          Diff
              0.050
          MB Diff
              0.016
          15 pounds
RG
              2.512
          Diff
              0.050
          MB Diff
              0.016
          14 pounds
RG
              2.528
          Diff
              0.050
          MB Diff
              0.016
          13 pounds
RG
              2.589
          Diff
              0.043
          MB Diff
              0.011
          12 pounds
RG
              2.612
          Diff
              0.043
          MB Diff
              0.011