In 2019 Storm has continued to evolve the game of bowling. And it's time to get excited about their latest high-performance offering, the Gravity Evolve. The Gravity Evolve uses the Shape-Lock High Density (HD) core that has been used in previous Gravity balls, a series that's been highly popular with our customers. This HD core has a lower RG and higher differential that gives you more flare potential. The SPEC coverstock has been put through its paces and has proven itself. That's why it was chosen for this new ball. It sticks to the lane creating a heavy roll and it's great for controlling the midlane...
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