The Ignition Symmetric Core will give the bowler a sharp change of direction at the breakpoint!!
Core Type
Symmetric
16 pounds
RG
2.530
Diff
0.040
15 pounds
RG
2.550
Diff
0.038
14 pounds
RG
2.580
Diff
0.035
13 pounds
RG
2.630
Diff
0.009
12 pounds
RG
2.650
Diff
0.011