RST-rilogy: Roto Grip X-1 vs X-2 vs X-3 On House & Sport Conditions

Roto Grip RST X-1 Bowling Ball

BEHIND THE DESIGN…
Dating back to the mid-1950’s, there is a reason Roto Grip is often referred to as the “Original High-Performance Bowling Ball Specialists.”

Our latest asymmetrical creation continues that tradition with the development of the RST Core which produces consistent core torque and energy transfer down lane where it is needed most.

From there we formulated the most versatile MicroTrax Hybrid Coverstock to date which produces optimum responsiveness to both oil and friction.

It’s ok, you can thank us later!

RST – Roto Star Tour Core… 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 near the bottom of the void area not to affect the bottom mass of the core all that much. Thus, making this core a “Tour Level” type core design.

Behind the X-1 name… When it all began back in the early 1950’s, Roto Star (later known as Roto Grip) quickly became known as the “High Performance Bowling Ball Specialists.” Because of this industry leading mantra, and with the latest creation of the Roto Star Tour Core, it only made sense to go back in time to recapture the vibe and pay homage to those balls that set the standard for technology and development.

That is how the RST X-1 was born!

Out of stock

Roto Grip RST X-1 Bowling Ball

BRAND	Roto Grip
BOWLING BALL CORE SHAPE	Asymmetrical Core
BOWLING BALL CORE NAME	Roto Grip RST Core
BOWLING BALL COVERSTOCK TYPE	Hybrid Reactive
BOWLING BALL COVER NAME	Roto Grip MicroTrax Hybrid Reactive
RADIUS OF GYRATION: RG (15LB)	2.53
DIFFERENTIAL: DIFF (15LB)	.053
MASS BIAS STRENGTH	.016
SURFACE FINISH	3000 Grit
FLARE POTENTIAL	4 – 5 Inches
BALL LANE CONDITIONS	Heavy Oil
BALL WEIGHT	12LB, 13LB, 14LB, 15LB, 16LB
BOWLING BALL COLOR	Black, Green
BALL PERFORMANCE LEVEL	High Performance Bowling Balls
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).

Out of stock

Roto Grip RST X-2 Bowling Ball

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

Roto Grip RST X-3 Bowling Ball

Dating back to the mid-1950’s, there is a reason Roto Grip is often referred to as the “Original High-Performance Bowling Ball Specialists.” Our latest asymmetrical creation continues that tradition with the development of the RST Core which produces consistent core torque and energy transfer down lane where it is needed most.

RST – Roto Star Tour Core…
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 near the bottom of the void area not to affect the bottom mass of the core all that much. Thus, making this core a “Tour Level” type core design.

This version of MicroTrax™ Hybrid features nanoparticles throughout to provide the traction you need in oil, while its two parts pearl provide you the reaction you have come to know and love about the RST Series. So, whether you are a recent PBA Hall of Famer, or this is your very first high-end ball, the RST X-3 will provide unparalleled reaction time and time again.

Behind the X name…
When it all began back in the early 1950’s, Roto Star (later known as Roto Grip) quickly became known as the “High Performance Bowling Ball Specialists.”

Because of this industry leading mantra, and with the latest creation of the Roto Star Tour Core, it only made sense to go back in time to recapture the vibe and pay homage to those balls that set the standard for technology and development.

Out of stock

Roto Grip RST X-3 Bowling Ball

BRAND	Roto Grip
BOWLING BALL CORE SHAPE	Asymmetrical Core
BOWLING BALL CORE NAME	Roto Grip RST Core
BOWLING BALL COVERSTOCK TYPE	Hybrid Reactive
BOWLING BALL COVER NAME	Roto Grip MicroTrax Hybrid Reactive
RADIUS OF GYRATION: RG (15LB)	2.53
DIFFERENTIAL: DIFF (15LB)	.053
MASS BIAS STRENGTH	.016
FLARE POTENTIAL	4 – 5 Inches
SURFACE FINISH	4K Fast
BALL LANE CONDITIONS	Medium – Heavy Oil
BALL WEIGHT	12LB, 13LB, 14LB, 15LB, 16LB
BOWLING BALL COLOR	Black, Pink, Yellow
BALL PERFORMANCE LEVEL	High Performance Bowling Balls, Roto Grip HP4 Bowling Balls
SCENT	None

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