{"merchant":{"slug":"bowlersmart","name":"BowlersMart","domain":"www.bowlersmart.com"},"id":"1458687","sku":"BBMRLT","gtin":null,"name":"Roto Grip Transform Pearl Bowling Ball","brand":"Roto Grip","categories":[{"name":"Asymmetrical Core Bowling Balls","slug":"asymmetrical-core-bowling-balls"},{"name":"Ball Add-Ons","slug":"ball-add-ons"},{"name":"Bowling Balls","slug":"bowling-balls"},{"name":"Bowling Brand","slug":"brands"},{"name":"Heavy Oil Bowling Balls","slug":"heavy-oil-bowling-balls"},{"name":"High Performance Bowling Balls","slug":"high-performance-bowling-balls"},{"name":"MRP/MAP","slug":"mrp-map"},{"name":"Pearl Reactive Bowling Balls","slug":"pearl-reactive-bowling-balls"},{"name":"Pre-Orders / New Releases","slug":"new-bowling-balls"},{"name":"Roto Grip","slug":"roto-grip"},{"name":"Roto Grip Bowling Balls","slug":"roto-grip-bowling-balls"}],"buy_url":"https://www.bowlersmart.com/product/roto-grip-transform-pearl-bowling-ball/","pages":{"html":"https://ittems.com/bowlersmart/p/roto-grip-transform-pearl-bowling-ball","md":"https://ittems.com/bowlersmart/p/roto-grip-transform-pearl-bowling-ball.md","json":"https://ittems.com/bowlersmart/p/roto-grip-transform-pearl-bowling-ball.json"},"price":{"min":209.95,"max":209.95,"currency":"USD"},"availability":"instock","checked_at":"2026-10-15T23:14:34.798026+00:00","source_updated_at":"2026-10-15T22:35:21+00:00","summary":"What should I know about the Transform Pearl? Brings back the drill-tunable Morph-Wing asymmetric core Nano-loaded MicroTrax Pearl cover, finished at Power Edge polish Built for medium to medium-heavy oil","specs":[{"key":"Brand","value":"Roto Grip"},{"key":"Bowling Ball Coverstock Type","value":"Pearl Reactive"},{"key":"Bowling Ball Cover Name","value":"Roto Grip MicroTrax Pearl Reactive"},{"key":"Bowling Ball Core Shape","value":"Asymmetrical Core"},{"key":"Bowling Ball Core Name","value":"Roto Grip Morph-Wing Core"},{"key":"Radius of Gyration: RG (15LB)","value":"2.51"},{"key":"Differential: Diff (15LB)","value":".051"},{"key":"Mass Bias Strength","value":".015"},{"key":"Flare Potential","value":"4 - 5 Inches"},{"key":"Surface Finish","value":"Storm Power Edge"},{"key":"Preferred Lane Conditions","value":"Medium - Heavy Oil, Medium Oil"},{"key":"Bowling Ball Color","value":"Black, Red"},{"key":"Ball Performance Level","value":"High Performance Bowling Balls, Roto Grip HP5 Bowling Balls"},{"key":"Scent","value":"None"},{"key":"Release Date","value":"July 2026"}],"variants":[{"sku":"BBMRLT16","gtin":"887970780831","label":"16LB","price":209.95,"stock":18,"options":{"Ball Weight":"16LB"},"availability":"instock","regular_price":289.95},{"sku":"BBMRLT15","gtin":"887970780817","label":"15LB","price":209.95,"stock":274,"options":{"Ball Weight":"15LB"},"availability":"instock","regular_price":289.95},{"sku":"BBMRLT14","gtin":"887970780787","label":"14LB","price":209.95,"stock":83,"options":{"Ball Weight":"14LB"},"availability":"instock","regular_price":289.95},{"sku":"BBMRLT13","gtin":"887970780756","label":"13LB","price":209.95,"stock":23,"options":{"Ball Weight":"13LB"},"availability":"instock","regular_price":289.95},{"sku":"BBMRLT12","gtin":"887970780725","label":"12LB","price":209.95,"stock":20,"options":{"Ball Weight":"12LB"},"availability":"instock","regular_price":289.95}],"images":[{"alt":"Roto Grip Transform Pearl bowling ball","url":"https://www.bowlersmart.com/wp-content/uploads/2026/06/Transform-Pearl_NoShadow.png"},{"alt":"Roto Grip Morph-Wing Core","url":"https://www.bowlersmart.com/wp-content/uploads/2026/06/Morph-Wing-Core_front.png"}],"release_date":"July 2026","description":"A Tunable Asymmetric Pearl Built to Evolve\n\nAbout the Transform Pearl\n\nSome asymmetric cores give you one shape. The Roto Grip Transform Pearl is built to give you many. It brings back the Morph-Wing Core, a dynamic asymmetric shape whose unique wing geometry lets your driller dramatically reshape the ball's motion, paired with a brand-new nano-loaded pearl cover.\n\nThe Transform Pearl wraps that drill-tunable Morph-Wing asymmetric core in the new MicroTrax Pearl Reactive coverstock, finished at Power Edge polish, in a striking Red, Cherry, and Shadow cosmetic. Because the MicroTrax Pearl is 100% nano-loaded, it digs through medium to medium-heavy oil with a stronger footprint than a typical pearl, then snaps hard when it sees the dry. It is the high-performance HP5 piece in Roto Grip's lineup. The Transform Pearl is part of one of the deepest new-release seasons in years, which you can see in our 2026 new bowling balls roundup.\n\nUnderstanding the Roto Grip Morph-Wing Core and Roto Grip MicroTrax Pearl Reactive\n\nRoto Grip built the Transform Pearl to be both tunable and aggressive. Specifically, the asymmetric Morph-Wing Core allows massive mass displacement during drilling, so removing material from the wing shifts the core numbers dramatically and lets your pro shop customize the flare and shape to your game. Meanwhile, the 100% nano-loaded MicroTrax Pearl cover creates a significantly stronger mid-lane footprint than a standard pearl, so the ball holds its line through oil instead of squirting, then delivers a crisp, aggressive response to friction down-lane. The full per-weight specs are listed below.\n\nA Drill-Tunable Asymmetric Shape Built to Evolve\n\nAt the heart of the Transform Pearl is the asymmetric Morph-Wing Core, a dynamic shape designed to evolve. At 15 lb it measures RG 2.51, Differential .051, and an intermediate differential (mass bias) of .015, numbers that produce strong, defined asymmetric motion. What sets it apart is the wing geometry: it allows massive displacement during the drilling process, so by strategically removing mass from the wing your driller can shift the core numbers dramatically.\n\nThat tunability is the whole point. The same core can be laid out for an earlier, smoother roll or a later, more angular flip depending on how the wings are drilled, which means the Transform Pearl can be customized to fill almost any slot in your bag. It is one of the most adaptable asymmetric cores Roto Grip has built, and it rewards working with a good pro shop to dial in the exact reaction you want.\n\nA 100% Nano-Loaded Pearl That Digs Through Oil and Snaps Off the Dry\n\nWhat makes the Transform Pearl special is its MicroTrax Pearl Reactive coverstock, which is 100% nano-loaded. Traditional pearls can sometimes squirt through heavier oil, but the nano-particle additives in MicroTrax create a significantly stronger footprint and enhanced traction through the mid-lane. Finished at Power Edge polish, the cover ensures the ball holds its path in oil while still delivering the aggressive, crisp response to friction that bowlers demand down-lane. As a result, you do not have to sacrifice teeth for turn: it digs through the slick and still snaps hard when it sees the dry.\n\nTransform Pearl Specs\n\nRG and differential vary by weight. Specifications provided by the manufacturer.\n\nWho This Ball Is Right For\n\n✓Tournament Players: A strong, tunable asymmetric pearl that holds its line in oil and snaps off the dry across changing conditions\n\n✓Higher-Rev Bowlers: The strong Morph-Wing core and nano-loaded cover reward revs with controlled flare and a crisp backend\n\n✓Stronger Stylists: A pearl that digs through medium-heavy volume without giving up the angular response that makes a pearl worth throwing\n\n✓Arsenal Builders: The drill-tunable core lets you customize the reaction to fill a specific gap in your bag\n\nGood to Know Before You Buy\n\n·Strong, aggressive motion: This is a high-flare piece built for traction. If you want a controlled, lower-hook reaction, a lower-differential ball will suit you better.\n\n·Ships polished: The Power Edge (Polished) finish runs clean and long out of the box. For an earlier read on heavier oil, take the surface down at your pro shop.\n\n·Asymmetric layout sensitivity: Layout choices shift the reaction more than on a symmetric ball. Match the pin and mass bias to your game with your pro shop.\n\n·Colors vary: Actual colors vary somewhat from the photos shown; no two balls come out of the mold exactly alike.\n\n·Tiny pit holes are normal: A few tiny pit holes in the coverstock are a normal part of the manufacturing process.\n\n·Sold undrilled: Ships without finger holes, so it can be fitted to your hand and span.\n\nBowlersMart Tips: Where the Transform Pearl Fits in Your Roto Grip Arsenal\n\nWhere It Fits in Your Arsenal\n\nIn the Roto Grip lineup, the Transform Pearl is a strong, tunable pearl for medium to medium-heavy oil. Where a strong solid attacks the freshest, heaviest volume, the Transform Pearl steps in once the heads open slightly, holding its line through the mid-lane and then snapping off the dry. Because the Morph-Wing core is so tunable, your driller can lay it out to sit higher or lower in the bag, pairing it naturally above a cleaner pearl and below a strong solid.\n\nSurface Adjustments\n\nThe Power Edge finish is a length-and-snap setup out of the box. Take the surface down with a lower-grit pad for an earlier read on more oil, or re-polish to restore length. Have surface changes done at your pro shop for an even, consistent finish.\n\nCoverstock Care\n\nNano-loaded covers carry a strong footprint, so keeping the Transform Pearl clean preserves its mid-lane traction and crisp response. Wipe it down after every set and deep clean periodically.\n\nEarn points on every Roto Grip purchase through the Striking Rewards loyalty program. Every ball you add to your arsenal builds toward your next reward.\n\nShop With Confidence at BowlersMart\n\nThe Roto Grip Transform Pearl Bowling Ball ships free with no minimum purchase and is backed by our 60-day return policy. As an authorized Roto Grip dealer, every ball is genuine and covered by the full one-year Roto Grip warranty. Place your order before 2 PM EST and it ships the same day.\n\nWeight\nRadius of Gyration (RG)\nDifferential\nMass Bias\n\n16 lbs\n2.50\n.050\n.015\n\n15 lbs\n2.51\n.051\n.015\n\n14 lbs\n2.53\n.053\n.013\n\n13 lbs\n2.57\n.032\n.010\n\n12 lbs\n2.59\n.029\n.008","policies":[{"text":"Free ground shipping on US orders, no minimum, 48 contiguous states and military APO/FPO. To Alaska, Hawaii, Puerto Rico and Guam bowling balls ship for $24.95 per ball, most other items free; oversized roller bags cost extra there. International orders pay the rate shown at checkout, duties paid locally.","title":"Shipping","source_url":"https://www.bowlersmart.com/shipping-information/"},{"text":"In-stock items ordered by 2PM EST Monday to Friday ship the same day, later orders the next business day. Carriers USPS, UPS, FedEx. Standard delivery 3 to 7 business days; expedited options at checkout.","title":"Processing and delivery","source_url":"https://www.bowlersmart.com/shipping-information/"},{"text":"60 days from delivery for US customers on new, unused items in original packaging, free prepaid return labels. Drilled bowling balls cannot be returned or exchanged. Shoes must have been tried on a clean, dry surface. Manufacturing defects and shipping damage go through the defect claim process.","title":"Returns","source_url":"https://www.bowlersmart.com/return-exchange-policy/"},{"text":"Credit and debit cards, PayPal, Apple Pay, Google Pay, Venmo, Amazon Pay, and buy now pay later through Affirm, Afterpay and Klarna.","title":"Payment","source_url":"https://www.bowlersmart.com/payment-options/"},{"text":"Pro shops inside bowling centers in 10 US states fit, drill and service equipment; a ball bought online can be drilled there.","title":"Pro shops","source_url":"https://www.bowlersmart.com/locations/"},{"text":"www.bowlersmart.com is the only website of BowlersMart. Lookalike domains are fraudulent.","title":"Identity","source_url":"https://www.bowlersmart.com/resources/scam-awareness/"}]}