Storm Gravity Evolve
SPEC Solid
Factory finish
Gunmetal / Fire / Crimson
Core (15 lb)
Shape-Lock HD
R.G. / Differential / Bias
16 lb2.4800.0480.019
15 lb2.4800.0520.020
14 lb2.5300.0500.017
13 lb2.5700.0320.010
12 lb2.5900.0290.008
Release date
October 25, 2019
Balls with the same cover
These balls have the same SPEC Solid cover as the Gravity Evolve:
NameCore (15 lb)Released
Storm PRO-MotionPRO-Motion
Jul 26, 2019
Storm Crux PrimeCrux Prime
Jan 25, 2019
Balls with the same core
This is the only ball in the Bowlidex with the Shape-Lock HD core.
From the manufacturer

The game has changed and so should we. Stepping back, we realized amateurs and professionals around the world have been clamoring for a heavy-rolling, fast-migrating core akin to one of the most famous of all-time: The Shape-Lock HD Core. This shape can power through just about anything. “HD” is short for high density, which lowers the RG and raises the differential of the weight block. And with SPEC at the helm, expect heavy roll with no shortage of higher scores and more strikes.

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.

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