 
The LT-2 core was previously featured in Track’s Legion Solid. This core is designed to retain its energy for the part of the lane where every bowler loves to see their ball hook, the backend.
Core Type
              Asymmetric
          16 pounds
RG
              2.510
          Diff
              0.040
          MB Diff
              0.010
          15 pounds
RG
              2.500
          Diff
              0.046
          MB Diff
              0.011
          14 pounds
RG
              2.510
          Diff
              0.048
          MB Diff
              0.012
          13 pounds
RG
              2.530
          Diff
              0.055
          12 pounds
RG
              2.600
          Diff
              0.039