Brunswick Quantum Bias Pearl
Retired
Cover
ECA-XR Pearl
Factory finish
500 Siaair, Compound
Color
Ultramarine
Core (15 lb)
Quantum Mushroom
R.G. / Differential / Bias
16 lb2.5220.0520.013
15 lb2.5630.0520.013
14 lb2.6420.0440.010
From the manufacturer

Our ECA-XR Pearl coverstock combined with the Quantum Mushroom High RG Asymmetric core gives strong hooking motion with excellent pin carry on medium lane conditions.

Official site
Read more at brunswickbowling.com
Release date
March 5, 2019
Status
Retired. This ball is no longer produced by the manufacturer, but it may still be available at pro shops and online retailers in limited weights.