X^2 Tour Preferred • 700 Series The S59™ Solid coverstock provides consistent and predictable friction. The symmetric Pod™ core produces controlled flare and a smooth transition. Use the X^2 on medium length and vo…

CORE Often imitated but never duplicated, the Nucleus Core dates back to the original Cell and has been a fan favorite since. Even though it is asymmetrical, it has the continuous roll of a symmetrical ball no matter how it is drilled. …

Designed and developed for players who seek above average versatility and performance from a pearlized ball on a variety of conditions, we started with iconic asymmetrical Nucleus™ Core and then wrapped it with eTrax-P20™, our most resp…

CORE Oh yes we did. Given the success and admiration of the Critical Theory™ from back in the day, it was time to bring back the part that provides constant motion no matter how it is drilled. Meaning this one is for anyone and everyone!…

CORE On the inside you will find the strongest rolling low RG symmetrical core that Roto Grip has ever offered. It was introduced originally in the Dare Devil and more recently used in the Dare Devil Trick. COVER On the outside you wil…

CORE Creating the Mutated Rotary™ weightblock was a long time coming. After countless request to re-introduce weightblocks of the past, it was time to configure a new higher RG symmetrical shape in order to produce more length and more d…

CORE Inside you will find probably the most dynamic core in this price point. When we set out to create a new part for the HP2 line we knew we wanted an RG value of 2.55 and a differential of .045, needless to say we hit our mark and the m…

CORE Created from logic, the brand new Hotshot Core was designed to provide length and down lane motion. Safe to say we nailed what we set out to do by maintaining a lot of bang for the buck! COVER This cover was first introduced on th…

CORE Starting the with the same shape from the original Hotshot™ Core, we changed out the slug on bottom to totally change up the core dynamics. With a heavier slug, the RG value went down just a touch, while the differential went up alm…

CORE A proven "winner" in the first version, the Altered Hotshot™ Core provides the length and change of direction we were needing in the HP2 line. COVER Just like the original Winner™ we calculated many tests to dial in the new VT…

Design is thinking made visual. In Storm’s case, it’s design materialized. We understand that the perceptible is as important as the tangible. NeX (Nano Extreme) is Storm’s earliest reading cover to date. NeX Solid was remarkably earl…

To complement the original Timeless™, we developed a new R2S™ Nano Hybrid shell which adds traction to better handle more oil, both in the heads and at the end of the pattern. In testing, we saw an increased midlane of more than 5%, mea…

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. T…

During the initial testing of the Intense Fire we tried many different coverstocks that all performed admirably, but R3S Hybrid shined above all else. Radial Accelerating Disk™ (RAD) technology is now in its sixth generation with the RAD-…

Radial Accelerating Disk™ (RAD) technology was unveiled in the original X-Factor™ series as the first to feature dual density disc technology. More recently, this design premise emerged in the RAD4™ Core powering the Code™ series. W…

Craft inspired. Tour validated. The !Q Tour brings a new level of versatility to the table. One of the most forgiving shapes ever created, the C3 Centripetal Control Core benefits any bowler on any condition. The proven R2S solid coverstock…

Storm is proud to showcase several of the most dynamic asymmetrical core designs on the market such as the Catalyst Core, the same core used throughout the Crux™ series, one of the most trusted series among competitive players worldwide.G…

The new Phaze II features both innovative core and coverstock technology, proving again that Storm is the leader in bowling innovation. This fast-revving shape, the aptly-named, supercharged Velocity Core, smooths out the backend reaction w…

A never-before-seen cover and core combination of R3S Hybrid and the Velocity Core shines above all else. It reveres its past but is imminently future-forward. When the corners get tough, R3S gets tougher. The Velocity Core has become a sta…

To create this very special PRO-Motion, Jason teamed up Storm’s Research and Development department to create a weight block design that is unique and benefits bowlers of all styles. It is a dynamic symmetrical piece that has some very un…

Power in every shot. Purpose in every ball. The Hy-Road has exemplified this as Storm's longest running high performance ball to date. The hitting power is unmistakable in the Inverted Fe2 Technology with its heightened coefficient of resti…

The staple of reliability that was the Hy-Road has carried over to its successor, the Hy-Road Pearl. Inverted Fe2 Technology provides more hitting power with every shot that is truly profound. The R2S Pearl Reactive clears the fronts with a…

Not all lane conditions require Premier Line equipment with all the technology needed for maximum traction. The Match Pearl is designed for a less oily environment. The Stinger Core is beneficial for high-rev crankers to low-rev strokers. W…

If quality without compromise is what you seek, then look no further than the Match. The Stinger Core offers a medium RG and flare potential which works for a variety of styles. In use for over a decade, the Reactor Solid Reactive offers le…