Big Bowling Cores


 
Name Core Type RG Diff MB Diff # Balls
F. R. E. Response (Forward Rolling Ellipses) Asymmetric 2.495 0.045 0.017 2
Hour Glass Symmetric 2.550 0.057 1
Powder Keg Symmetric 2.468 0.040 4
Simple Idea Symmetric 2.540 0.035 1