The Eternity Pi represents a new option for heavy oil performance in the Global lineup. The ALL-NEW Reserve Blend 901 Cover with its 2000-Grit Abralon finish provides you with great traction through the front part of the lane. Combined with…

The XPonent Pearl will expand upon the performance in the 700 Series by offering a great medium-light oil option. The Shrapnel 2.0 Symmetric Core will give the bowler an early revving and controllable shape. Combined with the hand crafted R…

Storm is synonymous with high performance, but not everyone is in the market for premium performance. The Mix series is perfect for recreational bowlers just getting their feet wet or the seasoned veteran needing a straighter option for spa…

Storm is synonymous with high performance, but not everyone is in the market for premium performance. The Mix series is perfect for recreational bowlers just getting their feet wet or the seasoned veteran needing a straighter option for spa…

Spare for dough, strike for show. Yes, you read that correctly. When filling frames is the name of your game, you best have the right equipment for the job. So, whether your old spare ball is tired and wore out, or you are looking for your …

Built for everyone, period. From the casual bowler to Major title winners at the highest level of the sport, the entire Hustle series provides advanced technologies that work for anyone and everyone. So, whether you are looking for a specif…

Built for everyone, period. From the casual bowler to Major title winners at the highest level of the sport, the entire Hustle series provides advanced technologies that work for anyone and everyone. So, whether you are looking for a specif…

From day one, the end goal was to develop and create a high-performance ball from a completely different dynamic performance-focused perspective. Tour level players and above average bowlers from around the globe have always asked for a bal…

CLONE - "a thing that duplicates, imitates, or closely resembles another in appearance, function, performance or style." And well, since the last version of this core part was unwillingly abducted, we felt it was our responsibility to the e…

The XPonent is going to be the perfect first ball out of the bag and benchmark piece within the Global line! This ball features a hand-crafted mix of older and newer technology. The ALL-NEW Reserve Blend 701 Cover has been paired with the S…

The Zen Gold Label will be the cleanest and most responsive Zen to date! This ball was hand-crafted to give you the ability to open your angles and not feel like the ball is going to miss the breakpoint. Featuring our Reserve Blend 801 Pear…

Roto Grip is proud to announce its partnership & support of Big Brothers Big Sisters. With the assistance of our very own mentoring duo, “The Shafanie Duo”, we will not only be supporting BBBS at various events across the country, but w…

Our beloved Tropical line has evolved again! The all-new Surge Core, with a boosted differential paired with our dependable Reactor formula will give you the curve you've been craving for. Six exciting colors and fragrances will appeal to j…

Teamwork. Passion. Precision. These core values are installed in every Storm bowling ball by master craftsmen at the Storm manufacturing plant in Brigham City, Utah. A core’s angles and curves. A cover’s contrasts and surfaces. Together…

Officially, this is Storm’s strongest symmetric ball to date. Starting on the inside, the Centripetal HD weight block is surrounded by the ALL-NEW A.I. (Amplified Inertia) outer core. This new combination drives the RG down and the differ…

In many cultures, ruby is considered the traditional gift for a 40th wedding anniversary. Since Storm began manufacturing bowling balls in 1991, we know that your relationship with us hasn’t hit the four-decade mark yet, but that’s okay…

Technology is in our DNA. Traditionally, weight blocks with more of the mass placed around the equator drive the RG down and read the midlane better. This means the DNA will rev much harder in the middle portion of the lane with an incredib…

Cover: S74R Pearl Reactive Finish: 1500-Grit Polished Colour: Black/Red/Purple Core: Lacerate 2.0 Symmetric Flare Potential: Medium-High

Cover: S77 Response Pearl Reactive Finish: 1500-Grit Polished Colour: Black/Lollipop/Egyptian Core: Meditate Symmetric Flare Potential: High  

Cover: S74R Pearl Reactive Finish: 1500-Grit Polished Colour: Black/Blue/Platinum Core: Grapnel 2.0 Asymmetric Flare Potential: Medium - High

Thanks to the relentlessness of our research and development team, we found yet another way to formulate quite possibly the most explosive benchmark balls in recent history. Engineered to create more overall torque and pure projectile power…

As with all of our high performance pearl covers, bowlers will find the Eternity to be easily tunable and able to cover a broad spectrum of oil conditions. Bowlers should notice this core to be a bit earlier and more aggressive than the Dis…

Striking. Alluring. Captivating. Call it what you will, but we prefer to call this enchanting and outstanding performing ball what it truly is, EXOTIC! From its ravishingly good looks to its dominance on those Medium/Heavy oil conditions th…