The Aura Ultra Low RG core features a single density rounded-off elliptical inner core. The core is dynamically designed 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
2.469
Diff
0.052
MB Diff
0.015
15 pounds
RG
2.481
Diff
0.052
MB Diff
0.015
14 pounds
RG
2.499
Diff
0.052
MB Diff
0.015
13 pounds
RG
2.589
Diff
0.043
MB Diff
0.011
12 pounds
RG
2.612
Diff
0.043
MB Diff
0.011