GRAVITY EVOLVE

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.

Sku: BBMTWV12
Color: Gunmetal/Fire/Crimson
Fragrance: Orange Ambrosia

Technical Specifications

  • 12 lbs.
    Radius of Gyration

    2.59

    Differential

    0.029

    PSA

    0.008

  • 13 lbs.
    Radius of Gyration

    2.57

    Differential

    0.032

    PSA

    0.010

  • 14 lbs.
    Radius of Gyration

    2.53

    Differential

    0.050

    PSA

    0.017

  • 15 lbs.
    Radius of Gyration

    2.48

    Differential

    0.052

    PSA

    0.020

  • 16 lbs.
    Radius of Gyration

    2.48

    Differential

    0.048

    PSA

    0.019


The Gravity of the Situation

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. A higher differential translates to more flare potential, so every time the ball makes a rotation it exposes a fresh portion of coverstock material to the oil.



Breakthrough Begins

SPEC stands for “Storm Performance Enhanced Coverstock”. The intent behind this formula was to create something that withstands the rigors every bowling ball endures each time it takes a trip down the lane; namely, the friction and oil it encounters. We all know and accept that bowling balls smooth out over time, just like the tread on the tires of your car. With SPEC, you can expect consistent performance that is as tireless as it is dynamic. It’s bold, definite, and extremely potent.

Ball Reaction Section

Gravity Evolve Ball Reaction

Storm Ball Reaction: Gravity Has Evolved...

Watch Video

Ball Reaction Section

Stroker

Gravity Evolve
Click and drag to control ball reaction


stroker

Tweener

Gravity Evolve
Click and drag to control ball reaction


stroker

Cranker

Gravity Evolve
Click and drag to control ball reaction


stroker
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