{"merchant":{"slug":"bowlersmart","name":"BowlersMart","domain":"www.bowlersmart.com"},"id":"1480961","sku":"SWGUKS","gtin":null,"name":"SWAG Unknown Solid Bowling Ball","brand":"Swag","categories":[{"name":"Ball Add-Ons","slug":"ball-add-ons"},{"name":"Bowling Balls","slug":"bowling-balls"},{"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":"Pre-Orders / New Releases","slug":"new-bowling-balls"},{"name":"Solid Reactive Bowling Balls","slug":"solid-reactive-bowling-balls"},{"name":"SWAG Bowling","slug":"swag"},{"name":"SWAG Bowling Balls","slug":"swag-bowling-balls"},{"name":"Symmetrical Core Bowling Balls","slug":"symmetrical-core-bowling-balls"}],"buy_url":"https://www.bowlersmart.com/product/swag-unknown-solid-bowling-ball/","pages":{"html":"https://ittems.com/bowlersmart/p/swag-unknown-solid-bowling-ball","md":"https://ittems.com/bowlersmart/p/swag-unknown-solid-bowling-ball.md","json":"https://ittems.com/bowlersmart/p/swag-unknown-solid-bowling-ball.json"},"price":{"min":149.95,"max":149.95,"currency":"USD"},"availability":"instock","checked_at":"2026-10-19T07:39:20.527282+00:00","source_updated_at":"2026-10-19T07:24:26+00:00","summary":"What should I know about the Unknown Solid? •Debut Watcher Symmetric Core: RG 2.51, Diff .048 at 15 lb, the classic benchmark recipe •First-ever Mystery Solid AP26 coverstock on the USBC-approved Adhesion Promotion platform •3000 Abralon box finish for a smooth, blendable read on medium to heavy…","specs":[{"key":"Brand","value":"SWAG"},{"key":"Bowling Ball Coverstock Type","value":"Solid Reactive"},{"key":"Bowling Ball Cover Name","value":"SWAG Mystery Solid AP26"},{"key":"Bowling Ball Core Shape","value":"Symmetrical Core"},{"key":"Bowling Ball Core Name","value":"SWAG Watcher Symmetric Core"},{"key":"Radius of Gyration: RG (15LB)","value":"2.51"},{"key":"Differential: Diff (15LB)","value":".048"},{"key":"Flare Potential","value":"4 - 5 Inches"},{"key":"Surface Finish","value":"3000 Grit"},{"key":"Preferred Lane Conditions","value":"Medium - Heavy Oil, Medium Oil"},{"key":"Bowling Ball Color","value":"Blue"},{"key":"Ball Performance Level","value":"High Performance Bowling Balls, Utility Performance Line"},{"key":"Release Date","value":"July 2026"}],"variants":[{"sku":"SWGUKS16","gtin":"650079860267","label":"16LB","price":149.95,"stock":8,"options":{"Ball Weight":"16LB"},"availability":"instock","regular_price":249.95},{"sku":"SWGUKS15","gtin":"650079860250","label":"15LB","price":149.95,"stock":41,"options":{"Ball Weight":"15LB"},"availability":"instock","regular_price":249.95},{"sku":"SWGUKS14","gtin":"650079860243","label":"14LB","price":149.95,"stock":22,"options":{"Ball Weight":"14LB"},"availability":"instock","regular_price":249.95},{"sku":"SWGUKS13","gtin":"650079860236","label":"13LB","price":149.95,"stock":7,"options":{"Ball Weight":"13LB"},"availability":"instock","regular_price":249.95}],"options":[{"name":"Drilling Protection","type":"multiple_choice","price":null,"choices":[{"label":"✓ Yes — Protect My Ball","price":4.95,"price_type":"quantity_based"},{"label":"No thanks","price":null,"price_type":"quantity_based"}],"required":false,"price_type":"flat_fee"},{"name":"Extra 365 Protection","type":"multiple_choice","price":null,"choices":[{"label":"✓ Yes — Extend My Coverage","price":5.95,"price_type":"quantity_based"},{"label":"No thanks","price":null,"price_type":"quantity_based"}],"required":false,"price_type":"flat_fee"},{"name":"Specific Requests","type":"custom_text","price":null,"choices":[],"required":false,"price_type":"quantity_based"}],"images":[{"alt":"SWAG unknown solid bowling ball","url":"https://www.bowlersmart.com/wp-content/uploads/2026/07/swag-unknown-solid-bowling-ball.webp"},{"alt":"SWAG Watcher Symmetric Core","url":"https://www.bowlersmart.com/wp-content/uploads/2026/07/swag-unknown-solid-core-sq.webp"}],"release_date":"July 2026","description":"The New Benchmark of the Utility Line\n\nAbout the Unknown Solid\n\nEvery SWAG ball announces itself. The SWAG Unknown Solid does the opposite: dressed in True Blue and Steel Blue with a silver-sparkle mark, it arrives with no legacy and no expectations, and quietly becomes the new benchmark of the Utility Performance Line.\n\nUnderneath is a completely new combination: the debut Watcher Symmetric Core wrapped in the first-ever Mystery Solid AP26 coverstock at a 3000 Abralon finish. Together they produce a smooth, honest, read-anything solid built to turn unfamiliar patterns into familiar ones.\n\nUnderstanding the SWAG Watcher Symmetric Core and SWAG Mystery Solid AP26\n\nSWAG built the Unknown Solid to be the ball you throw first. Specifically, the new Watcher Symmetric Core measures RG 2.51 and Differential .048 at 15 lb, classic benchmark numbers, while the debut Mystery Solid AP26 cover uses Adhesion Promotion technology to keep traction consistent as conditions change. As a result, you get a smooth, blendable midlane read and a predictable shape that repeats frame after frame. The full per-weight specs are listed below.\n\nA Brand-New Core Built to Read the Lane\n\nThe Watcher Symmetric Core is brand new for 2026, designed to anchor SWAG's Utility Performance Line. At 15 lb it measures RG 2.51 and Differential .048: enough flare to grip the midlane, enough control to keep the breakpoint honest.\n\nWhere SWAG's Advanced Tech cores are built to overpower the lane, the Watcher is built to read it. It revs up smoothly, rolls forward predictably, and gives you the same look every time you throw it.\n\nThe Debut of the Mystery Coverstock Line\n\nThe Unknown Solid introduces Mystery AP26, a brand-new SWAG coverstock line. It is a solid reactive built on Adhesion Promotion technology: coupling agents fill microscopic gaps in the cover to enlarge its contact footprint, delivering more traction, better oil absorption, and a longer usable cover life. At a 3000 Abralon finish it is tuned for medium to heavy fresh oil with a smooth, blendable motion.\n\nUnknown Solid Specs\n\nRG and differential vary by weight. Specifications provided by the manufacturer.\n\nWho This Ball Is Right For\n\n✓League Bowlers: The easiest ball in the SWAG lineup to keep in play: early traction, smooth blend, no surprises\n\n✓Tournament Players: Throw it first, learn the lane, then reach for more surface or more angle with confidence\n\n✓High-Rev Players: A forward, connected roll that stays composed when the pattern transitions\n\n✓Arsenal Builders: The classic control recipe that anchors the middle of any serious 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 at a clean box finish: The 3000 Abralon finish is a smooth, sanded surface that still gets down the lane. Take it lower for an earlier read on heavier oil, or polish it up for more length.\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 Unknown Solid Fits in Your SWAG Arsenal\n\nWhere It Fits in Your Arsenal\n\nIn the SWAG lineup, the Unknown Solid is the benchmark in the middle: below the Executioner Solid and Black Dragon Hybrid for the heavy fresh, above the pearls for transition. Throw it first, let it read the lane, and let the result tell you which direction to move.\n\nSurface Adjustments\n\nThe 3000 Abralon box finish is the intended setup. Refresh it to restore the read, or adjust a step in either direction to tune length; AP26 covers resist the micro-cracking aggressive resurfacing can cause. Have surface work done at your pro shop.\n\nCoverstock Care\n\nA benchmark ball only works if it reads the same every week. Regular wiping and periodic deep cleaning keep the Mystery Solid AP26 cover reacting consistently, which is the entire job of this ball.\n\nEarn points on every SWAG 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 SWAG Unknown Solid Bowling Ball ships free with no minimum purchase and is backed by our 60-day return policy. As an authorized SWAG dealer, every ball is genuine and covered by the full one-year SWAG warranty. Place your order before 2 PM EST and it ships the same day.\n\nWeight\nRadius of Gyration (RG)\nDifferential\n\n16 lbs\n2.49\n.048\n\n15 lbs\n2.51\n.048\n\n14 lbs\n2.54\n.049\n\n13 lbs\n2.58\n.042","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/"}]}