Gem Pearl


 
Roto Grip Gem Pearl
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Release Date
Discontinued
Overseas/International Release

Translated from Japanese:

"Gem Pearl" is now available from the Gem series that uses the Defiant™ LRG core, which represents Roto Grip.

Although it is made of pearl material due to its core, which has a heavier specific gravity than the roto grip, it has excellent trajectory stability in front of the lane, and produces a bend that looks like it is close to a strong arc-shaped pin.

The ball is highly controllable and easy to fit in your pocket.

The lane has a wide range of correspondence, and it is a ball that is sure to be popular.

Factory Finish
1500 Polished
Hyper Response Pearl Coverstock
Type
Pearl Reactive

The Hyper-Response™ Pearl Reactive was designed to be the strongest of the strong. It's hyper, it's responsive, and it'll live up to its name in spades.

Defiant LRG Core
Roto Grip Defiant LRG Core

Sometimes evolution can spark new life into technology from yesteryear. Such is the case with our latest introduction to the HP4 Line of balls. With recent more in-depth studies of flare migration and core tendencies we circled the wagons back to the Defiant Series of bowling balls which featured a core ahead of its time regarding flare migration in order to create a longer constant motion. Upon further review and testing, we found that by altering the composite of this core shape, we were able to create the fastest revving, strongest continuing, lowest RG asymmetrical core we have ever offered in the history of ever now known as the DEFIANT™ LRG CORE.

Originally introduced in the GEM, the Defiant LRG Core has brought style, pizzaz and honor scores to bowlers of every skill set around the globe. Thanks largely in part to the density composition of this core, it sets the standard as the fastest revving, strongest continuing, lowest RG asymmetrical core across our lines. So, if strong and continuous is what you are in the market for, then look no further than this part right here. No matter your style or your number of revs on the ball, this core will get into a roll and keep rolling every single time.

Core Type
Asymmetric
16 pounds
RG
2.470
Diff
0.051
MB Diff
0.016
15 pounds
RG
2.470
Diff
0.053
MB Diff
0.016
14 pounds
RG
2.500
Diff
0.052
MB Diff
0.015
13 pounds
RG
2.570
Diff
0.032
MB Diff
0.010
12 pounds
RG
2.590
Diff
0.029
MB Diff
0.008
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