New Overseas Roto Grip Bowling Balls April 2021 | RST X-1 Squad & Idol Purple

Early 2021 New Bowling Ball Releases for Radical Bowling Technologies

Chris Beans of Bowlers Rant breaks down the new overseas Roto Grip bowling ball releases. 

RST X1 Squad bowling ball

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!

Coverstock Name E-Trax P20™
Coverstock Style Pearl
Coverstock Type Pearl
Weight Block RST™ Core = Roto Star Tour™ (Asymmetrical)
Finish 1500 Polished
Finish Method Can be Polished OR Can be Sanded More
Durometer 73-75 on D-Scale
Flare Potential High
Weights 16lbs – 12lbs

RG: 2.53
DIFF: .053

Roto Grip Idol Purple bowling ball

Bottom line, in the HP3 line we have been looking for the next generation of Haywire. Needless to say, the new IDOL is that and then some. You will see a similar motion in the midlane compared to the Haywire, but with the new core and new cover you will see more overall hook.

Coverstock Name     MicroTrax-S18™ Solid Reactive
Coverstock Style       Solid
Coverstock Type       Reactive
Weight Block             Ikon™ Core
Finish                        2000-grit Polished
Flare Potential           Medium
Radius of Gyration    (RG): 2.49
Differential (Diff):       .052

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