Brunswick Portal X Bowling Ball Core
High-performance Portal core uses proven ball technology and advances it! The Portal X core is the previously used Prism core with a dense flip block added to the bottom. This addition adjusts the location of the mass and creates a higher RG and differential which increases the down-lane motion of the bowling ball. Portal X is engineered to make the mid-lane and backend hook more powerful.
Core Type – Asymmetric
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