{"merchant":{"slug":"bowlersmart","name":"BowlersMart","domain":"www.bowlersmart.com"},"id":"1534633","sku":"60-108769","gtin":null,"name":"Hammer Black Widow Spare+ Bowling Ball","brand":"Hammer","categories":[{"name":"Asymmetrical Core Bowling Balls","slug":"asymmetrical-core-bowling-balls"},{"name":"Ball Add-Ons","slug":"ball-add-ons"},{"name":"Black Widow Bowling Balls","slug":"black-widow-bowling-balls"},{"name":"Bowling Balls","slug":"bowling-balls"},{"name":"Bowling Balls for Straight Bowlers","slug":"straight-bowler-bowling-balls"},{"name":"Bowling Brand","slug":"brands"},{"name":"Entry Level Bowling Balls","slug":"entry-level-bowling-balls"},{"name":"Hammer","slug":"hammer"},{"name":"Hammer Black Widow Gear","slug":"hammer-black-widow-gear"},{"name":"Hammer Bowling Balls","slug":"hammer-bowling-balls"},{"name":"MRP/MAP","slug":"mrp-map"},{"name":"Plastic Bowling Balls","slug":"plastic-bowling-balls"},{"name":"Pre-Orders / New Releases","slug":"new-bowling-balls"},{"name":"Top Selling Bowling Balls","slug":"top-selling-bowling-balls"}],"buy_url":"https://www.bowlersmart.com/product/hammer-black-widow-spare-plus-bowling-ball/","pages":{"html":"https://ittems.com/bowlersmart/p/hammer-black-widow-spare-plus-bowling-ball","md":"https://ittems.com/bowlersmart/p/hammer-black-widow-spare-plus-bowling-ball.md","json":"https://ittems.com/bowlersmart/p/hammer-black-widow-spare-plus-bowling-ball.json"},"price":{"min":149.95,"max":149.95,"currency":"USD"},"availability":"instock","checked_at":"2026-10-18T23:39:20.572593+00:00","source_updated_at":"2026-10-18T23:14:43+00:00","summary":"What should I know about the Black Widow Spare+? •Iconic asymmetric Gas Mask core (16-14 lb) under a polyester cover, weights 10 to 16 lb •Straight, accurate spare shooting plus real motion on extremely dry lanes and short patterns •White Diamond pearl finish with eye-catching sparkle, two-year…","specs":[{"key":"Brand","value":"Hammer"},{"key":"Bowling Ball Coverstock Type","value":"Plastic"},{"key":"Bowling Ball Cover Name","value":"Polyester (Plastic)"},{"key":"Bowling Ball Core Shape","value":"Asymmetrical Core"},{"key":"Bowling Ball Core Name","value":"Hammer Gas Mask Core"},{"key":"Radius of Gyration: RG (15LB)","value":"2.480"},{"key":"Differential: Diff (15LB)","value":".058"},{"key":"Mass Bias Strength","value":".013"},{"key":"Flare Potential","value":"1 - 2 Inches"},{"key":"Surface Finish","value":"500, 1000, 2000 Siaair / Factory Polish"},{"key":"Preferred Lane Conditions","value":"Light Oil, Dry"},{"key":"Bowling Ball Color","value":"White"},{"key":"Ball Performance Level","value":"Entry / Spare Poly Line, Hammer Plastic Performance Bowling Balls"},{"key":"Scent","value":"None"},{"key":"Release Date","value":"September 2026"}],"variants":[{"sku":"60-108769-936","gtin":"840315631281","label":"16LB","price":149.95,"stock":25,"options":{"Ball Weight":"16LB"},"availability":"instock","regular_price":229.95},{"sku":"60-108769-935","gtin":"840315631298","label":"15LB","price":149.95,"stock":386,"options":{"Ball Weight":"15LB"},"availability":"instock","regular_price":229.95},{"sku":"60-108769-934","gtin":"840315631304","label":"14LB","price":149.95,"stock":247,"options":{"Ball Weight":"14LB"},"availability":"instock","regular_price":229.95},{"sku":"60-108769-933","gtin":"840315631311","label":"13LB","price":149.95,"stock":63,"options":{"Ball Weight":"13LB"},"availability":"instock","regular_price":229.95},{"sku":"60-108769-932","gtin":"840315631328","label":"12LB","price":149.95,"stock":60,"options":{"Ball Weight":"12LB"},"availability":"instock","regular_price":229.95},{"sku":"60-108769-931","gtin":"840315631335","label":"11LB","price":149.95,"stock":13,"options":{"Ball Weight":"11LB"},"availability":"instock","regular_price":229.95},{"sku":"60-108769-930","gtin":"840315631342","label":"10LB","price":149.95,"stock":27,"options":{"Ball Weight":"10LB"},"availability":"instock","regular_price":229.95}],"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":"Hammer Black Widow Spare+ bowling ball","url":"https://www.bowlersmart.com/wp-content/uploads/2026/08/hammer-black-widow-spare-plus-bowling-ball.webp"},{"alt":"Hammer Gas Mask core (16-14 lb)","url":"https://www.bowlersmart.com/wp-content/uploads/2026/08/hammer-black-widow-spare-plus-core.webp"},{"alt":"Hammer Black Widow Spare+ core (13-12 lb)","url":"https://www.bowlersmart.com/wp-content/uploads/2026/08/hammer-black-widow-spare-plus-core-13-12lb.webp"},{"alt":"Hammer Black Widow Spare+ core (11-10 lb)","url":"https://www.bowlersmart.com/wp-content/uploads/2026/08/hammer-black-widow-spare-plus-core-11-10lb.webp"}],"release_date":"September 2026","description":"Not Every Polyester Ball Is Created Equal\n\nAbout the Black Widow Spare+\n\nNot every polyester ball is created equal. The Hammer Black Widow Spare+ pairs the iconic Gas Mask core with a polyester cover to create a uniquely versatile bowling ball. It delivers the accuracy bowlers demand for spare shooting while offering enough core dynamics to become a valuable option on extremely dry lanes and shorter patterns with less volume.\n\nWhether it is used for converting corner pins or helping you navigate the toughest lane conditions, the Black Widow Spare+ is ready for the challenge. Wrapped in a striking white pearl finish with eye-catching sparkle, the White Diamond colorway is every bit as bold as the Black Widow name deserves. It is available from 10 to 16 lb with a two-year warranty.\n\nUnderstanding the Hammer Gas Mask Core and Polyester (Plastic)\n\nHammer built the Black Widow Spare+ to be more than a spare ball. Specifically, the 16 to 14 lb weights carry the iconic asymmetric Gas Mask core (2.480 RG, .058 differential, .013 intermediate differential at 15 lb), the same dynamics as Hammer's high-performance Black Widows, under a polyester cover at a 500, 1000, 2000 Siaair / Factory Polish finish. The plastic cover keeps the ball straight for spares, while the core gives it enough motion to be a real option on extremely dry lanes and short, low-volume patterns. The 13 and 12 lb weights use a dedicated core, and the 11 and 10 lb weights use a low-differential pancake block for the straightest possible roll. The full per-weight numbers are listed below.\n\nThe Iconic Black Widow Core, Now in a Polyester Ball\n\nAt the heart of the Black Widow Spare+ (16 to 14 lb) is the iconic asymmetric Gas Mask core, the engine that made the Black Widow line famous. At 15 lb it measures a 2.480 RG, a .058 differential, and a .013 intermediate differential, numbers you normally find in a high-performance reactive ball, not a spare ball.\n\nPaired with a polyester cover, that core does something a pancake-block plastic ball cannot: it gives the Black Widow Spare+ enough core dynamics to become a valuable option on extremely dry lanes and shorter patterns with less volume. The 13 and 12 lb weights carry a dedicated core (2.589 RG, .043 differential), and the 11 and 10 lb weights use a traditional low-differential block (.002) for the straightest roll.\n\nA White Diamond Polyester Cover Built for Accuracy\n\nWrapping the Gas Mask core is a polyester coverstock at a 500, 1000, 2000 Siaair / Factory Polish finish. Polyester does not absorb oil or create friction the way a reactive cover does, so the ball rolls straight and true, exactly what you want when you are converting corner pins and single-pin spares.\n\nThe White Diamond finish is a white pearl with eye-catching sparkle, as bold as the Black Widow name deserves. Because the cover is plastic, it is also the ball to reach for on the driest lanes and shortest patterns, when even your weakest reactive ball hooks too much.\n\nBlack Widow Spare+ Specs\n\nRG and differential vary by weight. Specifications provided by the manufacturer.\n\nWho This Ball Is Right For\n\n✓Every League Bowler: A straight, accurate spare ball is the fastest way to add pins to your average\n\n✓High-Rev Players: Takes the hook out of your spare shots so you can throw them straight with confidence\n\n✓Dry-Lane Bowlers: The Gas Mask core gives it real usable motion when the lanes are burned\n\n✓Youth and Lighter-Weight Bowlers: Available down to 10 lb with a low-differential block for the straightest roll\n\nGood to Know Before You Buy\n\n·Built to go straight: A polyester cover rolls straight by design. If you want hook on medium or heavier oil, step up to a reactive ball.\n\n·Cores vary by weight: 16-14 lb carry the Gas Mask core, 13-12 lb a dedicated core, and 11-10 lb a low-differential block; lighter weights roll straighter.\n\n·Ships polished: The 500, 1000, 2000 Siaair / Factory Polish finish is the box surface. Keep it polished for spares.\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 Black Widow Spare+ Fits in Your Hammer Arsenal\n\nWhere It Fits in Your Arsenal\n\nIn the Hammer lineup, the Black Widow Spare+ is the spare ball and the driest-lane option. It sits at the bottom of the bag under your reactive equipment: open with a Zero Mercy Tour or Zero Mercy Hybrid on the fresh, and reach for the Spare+ for every corner pin and on the days when the lanes are bone dry.\n\nSurface Adjustments\n\nThe factory polish is the box reaction and the one you want for spares: keep it polished for the straightest roll. If you use the Spare+ as a dry-lane strike ball and want a touch more read, your pro shop can take the surface down slightly, but most bowlers should leave it alone.\n\nCoverstock Care\n\nPolyester covers do not absorb oil the way reactive covers do, so the Black Widow Spare+ needs less maintenance than your strike balls. Wipe it down after every session to keep the White Diamond finish sparkling and the roll consistent.\n\nEarn points on every Hammer 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 Hammer Black Widow Spare+ Bowling Ball ships free with no minimum purchase and is backed by our 60-day return policy. As an authorized Hammer dealer, every ball is genuine and covered by the full two-year Hammer 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\n2.500\n.049\n.012\n\n15 lbs\n2.480\n.058\n.013\n\n14 lbs\n2.510\n.058\n.013\n\n13 lbs\n2.589\n.043\n.011\n\n12 lbs\n2.612\n.043\n.011\n\n11 lbs\n2.769\n.002\nN/A\n\n10 lbs\n2.800\n.002\nN/A","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/"}]}