Urethane bowling balls banned

Path Deluxe Single Tote Silver/Black 2024 DEAL. $29.99. (12) Description Reviews (21) Videos (1) Drilling Layouts (5) Two icons combined into one.... Meet Hammer Black Widow Urethane Pink Pearl. Amidst the surge of urethane, Hammer has released their newest addition, Black Widow Urethane Pink Pearl. Featuring the Urethane Pearl coverstock ...

Urethane bowling balls banned. Sep 30, 2015 · Our Urethane cover is the main ingredient in this masterpiece. Unlike modern covers that produce a violent reaction at the breakpoint, this proven staple is all about giving the user ultimate control of the entire lane. The Black Hammer Urethane is currently selling for $126.95 and rates a 150.5. The re-release of the Black Hammer Urethane ...

The Professional Bowlers Association announced that any traditional urethane bowling balls older than two years will not be allowed in national tour events starting …

Mar 7, 2022 · After urethane testing, USBC proposes logical change with ball hardness rules — and creates a hole cheaters could exploit (4/22/20 and update 6/8/20) A deep dive into the urethane ball hardness tests with former USBC, World Bowling technical executive Neil Stremmel (3/3/20)Pros: Unbeatable Backend Motion: The Proton PhysiX is not just about power; it's about that sweet, consistent roll and turn every time you launch it down the lane. Masters the Oil: Whether it's a freshly oiled lane or one that's seen its share of games, this ball grips precisely, ensuring you are always in control.PBA explains why it’s drastically hiking minimum hardness for urethane and ‘urethane-like’ balls in 2024. JEFF RICHGELS | Posted: Tuesday, June 27, 2023 1:10 pm. A hand-held durometer use to check bowling balls in the field for years. A reader sent it to me after reading my series of stories on urethane ball hardness.View Ball. Show Filters. Ball Brand. Storm(32) Category. Discontinued(89) Private Label(3) Worldwide(32) Core Shape.The Newest Urethane Bowling Ball - The Roto Grip Rubicon UC3 Bowling Ball. Hello and welcome to our review for the Roto Grip Rubicon UC3 bowling ball, lot of buzz and curiosity about this one. For this one we'll be on the house shot at Royal Crest Lanes in Lawrence, KS with a review on a heavier sport pattern coming soon.6 Hammer Bowling Black Widow Gold Bowling Ball. The Hammer Bowling Black Widow Gold is made of many superior materials. The outer part is of Semtex Pearl, an angular coverstock that helps the ball have a more back-end motion on the lane's oily parts. Inside, we have Carbon fiber infused into enhanced strength.

Urethane bowling balls are intermediate-level balls that create more friction and hook earlier than plastic or resin balls. Learn why some people want them banned and how they can help you score more points in different lane conditions.I doubt a major change like this would happen, but should USBC consider banning urethane?No sport has evolved more than bowling in the last 10 years, so is i...Step 3: Rub the Towel on the Bowling Ball. To remove the oil effectively, rub the alcohol-moistened towel on the bowling ball’s surface. The urethane bowling ball will not get scratches and marks on the surface, and all the oil residue will come off without a problem. Now your urethane bowling ball is squeaky clean.Storm Flame Urethane Blue Bowling Ball. Storm's Flame Info: COVERSTOCK: Solid Urethane WEIGHT BLOCK: Traditional 3-piece Core FACTORY FINISH: 1500-grit Polished BALL COLOR: Blue RADIUS OF GYRATION: 2.68 DIFFERENTIAL: 0.006 DUROMETER: 80-82 Rex D-scale FLARE POTENTIAL: 2" - 3" (Medium-Low) WEIGHTS: 10-16 lbs.Another great ball is Genesis Bowling's The Judge LE. This ball actually uses a real 1980's urethane formulation which is much softer than modern urethane formulations. This makes the ball grab pretty well on lanes with medium or high friction. I have this ball and it is also pure urethane and core and hits super hard. Visionary Bowling ...The overall strength of the Purple Pearl Urethane is perfect for light to medium oil patterns. The 500, 1000, 2000 Siaair Micro Pad finish of the Purple Pearl Urethane provides more length with a smooth arc. The LED core design is a modern version of the traditional light bulb shape that was so popular back in the day.Negativt av Urethane Bowling Balls. Nackdelarna med att använda hartstäckta sfärer för ditt spel är den minskade krokpotentialen och minskade hållbarheten. Urethane bowlingklot har en lägre krokpotential jämfört med reaktiva harts- eller partikelbowlingklot, vilket innebär att de är mindre benägna att skapa en drastisk kurva på banan.Urethane bowling balls simply lack the hook variance, sharpness and back end destruction of a reactive resin ball, which are developed precisely for high performance on the lane. Urethane bowling balls, however, fare much better on dry lanes, and they go a lot further than reactive resin balls - a crucial advantage in these particular ...

Purchase a BowlerX Membership Package FIRST and then log back into your account as a BowlerX Member to start saving on your very next order! Hammer Black Pearl Urethane Bowling Ball Features: The Hammer development team worked diligently on creating a urethane ball that would meet the standards of Hammer fans. This new Black Pearl Urethane will ...Yes, the PBA has banned traditional urethane bowling balls older than 2 years old. This ban was implemented in March 2022. 2. Is the Purple Hammer urethane? Yes, the Purple Hammer bowling ball is made of urethane. It uses an updated formula urethane coverstock and is paired with the LED core, which is an updated version of the traditional light ...In fact, just earlier last year in March of 2022 the PBA banned any traditional urethane balls older than 2 years old. Then in November of 2022, the USBC published its 3rd Hardness Research Report. This led to the PBA committing to a study of their own.This made the ball outstanding on a medium to dry pattern without too much angle on the back. In my opinion this ball is more than traditional urethane in the way it rolls, takes surface changes and hits. The UC3 does however give the control traditional Urethane provides. Summary: The UC3 is an excellent ball made for control and hit.It offers more friction between the ball and the surface; therefore, it has a higher chance of hitting your aim. On the other hand, plastic offers the least friction due to its smooth surface, with lesser hook potential and greater chances to deflect. 2.1 1. Storm Pitch Black Urethane Bowling Ball Review. 2.2 2.Originally created for medium-heavy oil, the Primal Rage LE will be also be an outstanding medium oil ball in the modern environment. Inside this monster is the same dual-density Impulse V2 core that was in the original, but it is now wrapped in a Fusion HX pearl cover stock that merges Fusion with MOTIV's new Hexion technology. Weight.

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Reactive bowling balls are made of a mixture of resin and urethane. The urethane provides the ball with a hard outer shell, while the resin enhances the ball's grip on the lane. This combination of materials gives the reactive ball its unique properties and makes it one of the most popular types of balls on the market.The Black Widow Urethane combines a solid urethane coverstock with what is arguably the most popular core design ever from Hammer. The high-flaring Gas Mask core is unchanged from the other Widow line releases, with an RG of 2.50″, a total differential of 0.058″, and an intermediate differential of 0.016″. The dull urethane cover on this ...Chris Beans shares some breaking information on a rumored ban by the PBA on urethane bowling balls older than 2 years!https://www.bowlersmart.com/2022/03/02/...Over a few frames while discussing of the laws of physics and changing lane conditions, Phil Cardinale and Mo Pinel decided today's league bowlers deserve better and Radical Bowling Technologies was born. Our mission is to produce bowling balls for bowling geeks, physicists, and performance junkies.This high-performance urethane ball provides the same powerful reaction that dominated bowling in the 80’s and 90’s. Ball Weight. Clear. In stock. Drilling Protection. Extra 365 Warranty Coverage. Add an additional year to the warranty of …

The Big Bro Burn-Up is back and better than ever. SWAG brings you the Big Bro Burn Up LE (Limited Edition). The RVR Urethane Solid coverstock combined with the proven Dominance core and Elastic-E filler combinered with this new solid coverstock will give you great control on any difficult pattern requiring the use of urethane.There isn't a person on this planet that will argue against the fact that Hammer made the best urethane bowling balls back in the day. There is no doubt in our minds bowlers looking for the ball reaction that dominated the 80's and early 90's will find it in our new Black Urethane! This is ball is 100% real urethane and offers that true urethane reaction. 15# and 16# balls feature a ...The Professional Bowlers Association announced that any traditional urethane bowling balls older than two years will not be allowed in national tour events starting …Another great ball is Genesis Bowling's The Judge LE. This ball actually uses a real 1980's urethane formulation which is much softer than modern urethane formulations. This makes the ball grab pretty well on lanes with medium or high friction. I have this ball and it is also pure urethane and core and hits super hard. Visionary Bowling ...Understanding Our Ball Reviews. For over 25 years, Bowling This Month has provided its readers with detailed and accurate bowling ball reviews of thousands of balls from most of bowling's major manufacturers. This process started in 1995 when we were the first bowling publication to print lengthy, independent studies on how different bowling ...Mar 3, 2022 · The Professional Bowlers Association announced that any traditional urethane bowling balls older than two years will not be allowed in national tour events starting from March 7, 2022. This rule applies to balls manufactured before 2020 and not to reactive resin or particle bowling balls.A Purple Hammer nicknamed "Old Faithful" has been reliable for Jakob Butturff over the years. But after the PBA instituted a new rule earlier this month that banned all urethane made prior to 2020, that ball has been removed from the lefty's arsenal for all national tour events. The PBA decided to ban urethane balls older than two years ...Mar 21, 2022 · Non-conforming Bowling Ball List. See rulebook, Chapter VI, "USBC Equipment Specifications" for any balls manufactured prior to January 1991. Updated: 3/21/2022.

Urethane bowling balls are intermediate-level balls that create more friction and hook earlier than plastic or resin balls. Learn why some people want them banned and how they can help you score more points in different lane conditions.

The Black Pearl Urethane is Hammer's latest response to the new 78D hardness rule for the PBA Tour. This ball is harder than the Purple Pearl Urethane, creating more length and less total hook. To make up for the change in coverstock, the box finish is rougher on the Black Pearl Urethane compared to the Purple Pearl.The main distinction between urethane bowling balls and reactive resin balls is that of the outer cover stock. Cover stock is the outer covering of a bowling ball that you usually see which makes contact with the lane. Urethane bowling balls are therefore composed of urethane cover stock. But reactive resin cover stock is an upgraded version of ...The urethane bowling balls are cheaper than the reactive resin ones. Thus, for a beginner who does not know if he will continue playing or not, the cheaper option is quite helpful. Apart from all that, the reactive resin balls do not really last long. But, the urethane bowling balls do last.The Hammer Pearl Urethane uses a modified version of the popular light bulb core to create the LED core design. It is covered with the Urethane Pearl and finished with 500 grit, then a 1000 grit, and then finally a 2000 grit Abralon pad. These characteristics offer an incredible control the length of the lane on short oil patterns.RETIRED. U-Motion was one of our biggest ball tests over the last 6-9 months, we understand the need for urethane and tested many different core designs and urethane formulas. The core features a higher RG and lower DIFF for excellent urethane ball motion. The U-Motion will provide consistent and predictable ball motion on any condition and is ...Non-conforming Bowling Ball List. See rulebook, Chapter VI, "USBC Equipment Specifications" for any balls manufactured prior to January 1991. Updated: …Overseas balls are, for the most part, made where that company makes their other equipment, Mexico for B7 States for SPI and Motiv. The term overseas is kind of wrong. A better term would be OEM bowling balls because there are distributors in both Canada and the United States itself that are able to order these bowling balls and all that OEM ...The Black Widow Urethane combines a solid urethane coverstock with what is arguably the most popular core design ever from Hammer. The high-flaring Gas Mask core is unchanged from the other Widow line releases, with an RG of 2.50″, a total differential of 0.058″, and an intermediate differential of 0.016″. The dull urethane cover on this ...The Professional Bowlers Association (PBA) has banned urethane bowling balls as of March 2022. The reason for this is that older ones (prior to 2020) do not meet the hardness specification set by the USBC. As per new regulations, balls are not allowed to have a lower hardness rate than 72D.

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This high-performance urethane ball provides the same powerful reaction that dominated bowling in the 80’s and 90’s. Ball Weight. Clear. In stock. Drilling Protection. Extra 365 Warranty Coverage. Add an additional year to the warranty of …Step 1: Begin by applying some detergent, oil cleaner, or alcohol onto the microfiber cloth or towel. Step 2: Use the wet microfiber cloth and towel to rub the surface of the urethane ball to remove dirt, grime, and debris that has built up on the surface over time. Step 3: Dip the bowling ball inside a hot water tub for 20 - 20 minutes. That will help loosen oil that may have permeated the ...On the Ball . Bowlingschuhe. Bowlingschuhe anzeigen. Damen Bowlingschuhe ... Urethane Pearl 78D 1 VTC Solid Reactive 1 Alle anzeigen ... bowling-exclusive Uwe Eckardt e.K. Schulwinkel 40 06682 Teuchern Deutschland. Mo-Fr 10:00-17:00 Uhr. [email protected] +49 34443 620800 +49 34443 620800.Automobiles are oddly organic things, at least insofar as design. Fluids pump through lines like veins and arteries, engines convert hydrocarbon fuel to energy just like cellular m...900 Global Sublime Bowling Ball. $ 289.95 $ 174.95. The 900 Global Sublime Bowling Ball is scheduled to be released December 15, 2023. The Sublime has been handcrafted with ALL NEW cover and core technology within the 900 Global product line. This new ball features the Reserve Blend 802 Hybrid Cover, finished with Reacta Gloss, for a versatile ...The Pitch Black Bowling Ball features a Control Solid Urethane coverstock with a 1000 Grit finish that you know and trusts from Storm. These balls give you a solid hit you can count on and finish consistently in the pocket. It is available in 12 to 16 lbs. weight options to accommodate all types of bowlers.At the bottom of this story are PDFs of the 2019 USBC Equipment Specifications and Certifications manual, the 2019 USBC Hardness Research Report, the 2020 PBA rulebook bowling ball specifications, and then the four items USBC posted here late Friday afternoon: 2020 U.S. Open key points on urethane ball hardness testing, 2020 U.S. Open urethane ...I doubt a major change like this would happen, but should USBC consider banning urethane?No sport has evolved more than bowling in the last 10 years, so is i...Swag Buffalo Bowling Ball. $ 189.95 Select options. Compare. 1. 2. Next. We Have Taken the Hassle Out of Trying to Find the Bowling Ball You're Looking For. Easily Browse Through Each Category to Find the Ball That You Are Looking For. Find the bowling ball that you are looking for based on the coverstock material. ….

There are many factors to take into consideration when looking to purchase a bowling ball. Here are a few things to keep in mind. Choosing a bowling ball with the right weight make...Hence, we broke down 5 of our favorite and best urethane bowling balls to make your purchase worthy. Table of Contents Hide. 1 Top Pick. 2 Best Urethane Bowling Ball: Top 5 Reviews. 2.1 Storm Mix Urethane Bowling Ball. 2.2 Roto Grip Hot Cell Bowling Ball. 2.3 Motiv Tank Blitz Bowling Ball.The Pitch Black is the ultimate choice for wood lanes or shorter oil patterns. The Controll Solid Urethane is porous and predictable. The Capacitor Core helps regulate flare potential; pure predictability at its finest. This ball is intended to provide control on lighter and shorter oil conditions. The Capacitor core gives this ball a ...0. Breaking News: We're receiving word that urethane bowling balls made before Aug. 1, 2022 are going to be banned on the Professional Bowlers Tour. Developing Story: The Professional Bowlers Association (PBA) announced recently that all urethane bowling balls manufactured prior to August 1, 2022 are banned from use in the PBA National Tour.Reactive bowling balls are made of a mixture of resin and urethane. The urethane provides the ball with a hard outer shell, while the resin enhances the ball's grip on the lane. This combination of materials gives the reactive ball its unique properties and makes it one of the most popular types of balls on the market.1/29/2021 (Retired 9/22/2022) The Jackal™ series from MOTIV® has certainly made a big impact in the bowling industry and its reputation for massive performance continues with the Jackal™ Legacy. This hook-beast is designed to handle the heaviest oil conditions any bowler will encounter. Utilized often in recent years, the Predator™ V2 ...Radical Bowling releases their first-ever urethane piece - Meet the Double Cross. Featuring a new coverstock formula, U73 pearl urethane and finished at 500/1500 Siaair Micro Pad, you can expect a dependable and controllable reaction from this piece. Inside, the symmetric core (with DynamiCore) will help to provide strong continuation through ...Apr 3, 2021 · 4 Storm Mix Urethane Bowling Ball. One of the best urethane bowling balls that bowlers should get is the Storm Mix Urethane bowling ball for urethane bowling balls. This ball is a great option to play in dry conditions as it is a urethane. Therefore, you also may use it as your strike ball.Bestseller No. 5. Storm Pitch Black Solid Urethane Bowling Ball (15lbs) Storm has created the Pitch Black, a solid urethane ball, for their Thunder Line. This ball is intended to provide control on lighter and shorter oil conditions. The Capacitor core gives this ball a straighter but strong delivery. Urethane bowling balls banned, Path Polyester Bowling Ball - Customizable with Basic Drilling Options - Great for Spare Shooting and Beginners. 1,960. $4699. $19.99 delivery Apr 16 - 19. Or fastest delivery Apr 15 - 18., Non-conforming Bowling Ball List. See rulebook, Chapter VI, "USBC Equipment Specifications" for any balls manufactured prior to January 1991. Updated: 3/21/2022., Since then, bowling balls have only evolved. In the 1950s, manufacturers began using Polyester Plastic to make bowling balls, and in the 1980s, Polyurethane Urethane was used. In the early 1990s, manufacturers began using Reactive Resin, a modified version of urethane, which is designed to provide more friction., Path Deluxe Single Tote Silver/Black 2024 DEAL. $29.99. (12) Description Reviews (21) Videos (1) Drilling Layouts (5) Two icons combined into one.... Meet Hammer Black Widow Urethane Pink Pearl. Amidst the surge of urethane, Hammer has released their newest addition, Black Widow Urethane Pink Pearl. Featuring the Urethane Pearl coverstock ..., While there’s limited evidence suggesting stress balls may reduce stress, many people find them helpful for working through difficult emotions like frustration and panic. We includ..., The Pitch Black is the ultimate choice for wood lanes or shorter oil patterns. The Controll Solid Urethane is porous and predictable. The Capacitor Core helps regulate flare potential; pure predictability at its finest. This ball is intended to provide control on lighter and shorter oil conditions. The Capacitor core gives this ball a ..., By adding 5 points to the current minimum hardness of 73.0HD, the new minimum of 78.0HD was determined to ensure that, even with prolonged use, the balls would not fall below the required hardness level. Before being allowed in PBA Tour competition, all urethane or urethane-like bowling balls will need to be verified to meet …, Brunswick U-Motion Bowling Ball. The Brunswick U-Motion bowling ball was named the best urethane motion ball after about 6-9 months of testing and research. With high RG/low differential, the new U-Motion symmetrical core gives a smooth consistent roll just as you have come to expect from a urethane ball., If urethane bowling balls were to be banned, bowlers who rely on them would be forced to adapt their strategy and equipment. With some bowlers having invested considerable time and resources in refining their techniques with urethane balls , a ban could prove disruptive to their careers and performance in tournaments., Mar 7, 2022 · ARLINGTON, Texas – The United States Bowling Congress is aware of a claim that a portion of the Purple Hammer bowling balls manufactured at the Ebonite International plant in 2016 and 2017 may have been produced below USBC’s minimum 72D hardness specification. The Hammer brand was purchased by Brunswick Bowling Products in 2019, and the ..., Featuring the Urethane Pearl 78D coverstock, finished at 500 Siaair Micro Pad, this ball will provide a smooth arcing motion that you've come to expect from urethane bowling balls. Inside, the LED symmetric core, as featured in the Purple Pearl Hammer Urethane, will provide a clean, reliable motion on drier lane conditions. Buy Hammer Black ..., SUBSCRIBE FOR MORE BOWLING :)For All Of Your Bowling Needs Visit: https://www.buddiesproshop.com/?ref=PackyBecome a House Member!! 👇👇https://www.youtube.co..., Purple hammer is currently the best urethane ball on the market and its not even close imo. Its extremely versatile on short oil patterns and even medium patterns with lighter volume if you have a lot hand. It actually tips down lane compared to other urethane pieces giving you a touch more forgiveness. Logged., The Storm Crux Prime is the best Storm bowling ball, and it gives bowlers an excellent, new coverstock option paired with the ball's asymmetrical core shape called the Catalyst Core Shape. It has an RG of 2.50, a differential of 0.052, and it's ideal for use in heavy oil. Storm Crux Prime 15lbs. Check Current Price., Mar 21, 2022 · Non-conforming Bowling Ball List. See rulebook, Chapter VI, "USBC Equipment Specifications" for any balls manufactured prior to January 1991. Updated: 3/21/2022., 3 - Hammer Black Widow Purple Pearl Urethane Bowling Ball. Hammer Black Widow Purple Pearl Urethane Overseas Bowling Ball. $ 349.95 $ 199.95. The best urethane cover since the 80’s wrapped around the best core of our generation is sure to make for a special ball motion! Our Urethane cover is the main ingredient in this …, Swag Buffalo Bowling Ball. $ 189.95 Select options. Compare. 1. 2. Next. We Have Taken the Hassle Out of Trying to Find the Bowling Ball You're Looking For. Easily Browse Through Each Category to Find the Ball That You Are Looking For. Find the bowling ball that you are looking for based on the coverstock material., To even the playing field for the Storm bowlers, the USBC has decided to ban the following Hammer bowling balls: Black Widow Ghost Pearl. Black Widow Urethane (because it's pink) Obsession Tour Pearl. Purple Hammer. 3-D Offset. Storm Phaze II. It has been pointed out to us that the last ball isn't actually a Hammer ball., The Professional Bowlers Association announced that any traditional urethane bowling balls older than two years will not be allowed in national tour events starting from March 7, 2022. This rule applies to balls manufactured before 2020 and not to reactive resin or particle bowling balls., Ebonite Maxim Black Urethane Bowling Ball. (1 review) Write a Review. Description. Reviews. Urethane performance and durability at an affordable price. The Maxim Urethane releases easy and rolls true. Available in weights for all ages. Line. Maxim., Brunswick U-Motion Bowling Ball. The Brunswick U-Motion bowling ball was named the best urethane motion ball after about 6-9 months of testing and research. With high RG/low differential, the new U-Motion symmetrical core gives a smooth consistent roll just as you have come to expect from a urethane ball., Purple Hammer bowling balls manufactured during 2016 or 2017 (identified by serial numbers that start with either a “6” or “7”) are prohibited for use., May 17, 2024 · Polyurethane bowling balls might perform better than other bowling balls due to their ability to slide further before hooking on dry lanes. Urethane bowl has bigger surface friction than other balls of the same type. It is more durable and last longer. Easy to handle thanks to its weight and gives lesser deflection., PBA has banned the use of urethane balls made before August 2022, we discuss why the change was made., Posted on January 16, 2023 by Warehouse Team. Breaking News: We’re receiving word that urethane bowling balls made before Aug. 1, 2022 are going to be banned on the …, A urethane bowling ball ban could have lasting ramifications on the future of bowling technology and competition. As manufacturers and players adapt to the new regulation, the development of innovative ball designs and strategies may lead to further evolution within the sport., Buy Hammer Red Pearl Urethane Bowling Balls with FREE SHIPPING and NO Hidden Packaging Fees, #1 Customer Service Anywhere, It's Where Bowlers Go! Enable Accessibility. bowlingball.com. BowlVersity. Call Us Toll Free at 888-265-2695 Live Chat Offline Help/FAQ Log In My Account Order Status 0 Items ($0.00) Search ..., 10 Best Urethane Bowling Ball For All Bowlers. Post by Bryce Humphry / ..., The Insider Trading Activity of Bowles Gregory on Markets Insider. Indices Commodities Currencies Stocks, Top 5 Urethane Bowling Balls. 1. Hammer Blue. The Blue Hammer is an interesting ball option. It's a high performance ball with a re-engineered Vibe core shape and Hammer's new Performance Urethane coverstock, but its motion and design style are decidedly old-school. As a result, the Blue Hammer ball serves as a sort of throwback to an earlier ..., They are excellent for creating angle adjustments on challenging oil patterns, offering versatility for competitive bowlers. 5. Urethane Bowling Balls. Urethane balls have a controllable hook motion, making them suitable for drier, shorter oil patterns. They are essential for navigating tricky spare shots and creating a more direct angle to the ..., Increased Surface Friction: Urethane balls have a rougher surface compared to polyester, creating more friction with the lane. This results in a greater hook potential. Control and Versatility: These balls offer better control and are versatile for different lane conditions. They can be a good choice for bowlers looking to develop or refine ..., USBC UPDATES NATIONAL TOURNAMENT RULES IN RELATION TO PURPLE HAMMER ARLINGTON, Texas - The United States Bowling Congress is aware of a claim that a portion of the Purple Hammer bowling balls manufactured at the Ebonite International plant in 2016 and 2017 may have been produced below USBC's minimum 72D hardness specification. The Hammer brand was purchased by Brunswick Bowling Products in ...