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Eye Opener! Comparing The Roto Grip Exotic Gem & RST X2
Comparing The Roto Grip Exotic Gem & RST X2 was an eye opener for sure! These two bowling balls are night and day when it comes to ball reaction!
Roto Grip Exotic Gem Bowling Ball
Given the overwhelming success of the original Gem by bowlers of all skill levels around the globe, we felt it was important to make the next installment in this series something uniquely special like the first one. Let’s just say it didn’t take long for us to figure out that MicroTrax Pearl was the key element in this beauty.
So we went to work dialing in the proper ratios for each of the chemical elements to complement the nanoparticles blended throughout the entire coverstock. This was the most crucial factor in making sure this pearl ball would conquer those Medium/Heavy Oil conditions.
Bottom line, the Exotic Gem will produce skid through the front of the lane while still digging into the midlane where the Defiant LRG will take over and produce the strongest continuation of any high-end asymmetric pearl ball on the market today!
DEFIANT LRG CORE
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.
| BRAND | Roto Grip |
|---|---|
| BOWLING BALL CORE SHAPE | Asymmetrical Core |
| BOWLING BALL CORE NAME | Roto Grip Defiant LRG Core |
| BOWLING BALL COVERSTOCK TYPE | Reactive Pearl |
| BOWLING BALL COVER NAME | Roto Grip MicroTrax Pearl Reactive |
| RADIUS OF GYRATION: RG (15LB) | 2.53 |
| DIFFERENTIAL: DIFF (15LB) | .053 |
| MASS BIAS STRENGTH | .016 |
| FLARE POTENTIAL | 4 – 5 Inches |
| SURFACE FINISH | Storm Reacta Gloss |
| BALL LANE CONDITIONS | Heavy Oil |
| BOWLING BALL COLOR | Gold, Purple, Turquoise |
| BALL PERFORMANCE LEVEL | High Performance Bowling Balls, Roto Grip HP4 Bowling Balls |
| BALL WEIGHT | 12LB, 13LB, 14LB, 15LB, 16LB |
| SCENT | None |
Roto Grip RST X-2 Bowling Ball
Given the continued success of the RST X-1, we knew the next ball in the series using the Roto Star Tour Core was going to need a special coverstock wrapped around it as well. So, after countless tests involving multiple players of different styles, we determined that the eTrax pearl material gave us the type of reaction we were looking for, but we wanted something a little more while still using that same chemistry. So, the R&D team went to work changing the ratios and other variables until we settled in on the NEW eTrax PLUS Pearl Reactive formula that provides a larger footprint throughout the entire lane without reducing the responsiveness to friction down lane. Creating yet another viable pearlized coverstock option for the Roto Grip family of balls.
Professional bowlers like to see continuous motion down lane with minimal deflection as the ball enters the pocket due to their rev rates usually being on the higher side. This logic was the basis of development by the R&D team as they looked to create a core that would maintain dynamics after drilling in order to maintain a higher level of core torque down lane. The larger mass at the base of the core does indeed create that. Especially since when drilled, the thumbhole will always end up in the void area not really affect the bottom mass of the core. Thus, making this core a “Tour Level” type core design better known as the Roto Star Tour Core (RST Core).
| BRAND | Roto Grip |
|---|---|
| BOWLING BALL COLOR | Purple |
| BOWLING BALL CORE SHAPE | Asymmetrical Core |
| BOWLING BALL CORE NAME | Roto Grip RST Core |
| BOWLING BALL COVERSTOCK TYPE | Reactive Pearl |
| BOWLING BALL COVER NAME | Roto Grip eTrax Plus Pearl Reactive |
| RADIUS OF GYRATION: RG (15LB) | 2.53 |
| DIFFERENTIAL: DIFF (15LB) | .053 |
| MASS BIAS STRENGTH | .016 |
| FLARE POTENTIAL | 4 – 5 Inches |
| SURFACE FINISH | 1500 Grit Polish |
| BALL WEIGHT | 12LB, 13LB, 14LB, 15LB, 16LB |
| BALL PERFORMANCE LEVEL | High Performance Bowling Balls |
| BALL LANE CONDITIONS | Heavy Oil |
