{"merchant":{"slug":"bowlersmart","name":"BowlersMart","domain":"www.bowlersmart.com"},"id":"1454808","sku":"MTVBSAPRL","gtin":null,"name":"Motiv Sigma Tour Pearl Bowling Ball","brand":"Motiv","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":"Motiv","slug":"motiv"},{"name":"Motiv Bowling Balls","slug":"motiv-bowling-balls"},{"name":"Pearl Reactive Bowling Balls","slug":"pearl-reactive-bowling-balls"},{"name":"Pre-Orders / New Releases","slug":"new-bowling-balls"},{"name":"Symmetrical Core Bowling Balls","slug":"symmetrical-core-bowling-balls"}],"buy_url":"https://www.bowlersmart.com/product/motiv-sigma-tour-pearl-bowling-ball/","pages":{"html":"https://ittems.com/bowlersmart/p/motiv-sigma-tour-pearl-bowling-ball","md":"https://ittems.com/bowlersmart/p/motiv-sigma-tour-pearl-bowling-ball.md","json":"https://ittems.com/bowlersmart/p/motiv-sigma-tour-pearl-bowling-ball.json"},"price":{"min":204.95,"max":204.95,"currency":"USD"},"availability":"instock","checked_at":"2026-10-18T23:39:20.572593+00:00","source_updated_at":"2026-10-18T23:05:19+00:00","summary":"What should I know about the Sigma Tour Pearl? Symmetric Sigma Core for a readable, repeatable benchmark motion Atomic Propulsion Pearl Reactive cover at a 5000-grit finish A tour-caliber mid-arsenal benchmark for medium to medium-heavy oil","specs":[{"key":"Brand","value":"Motiv"},{"key":"Bowling Ball Core Shape","value":"Symmetrical Core"},{"key":"Bowling Ball Core Name","value":"Motiv Sigma Core"},{"key":"Bowling Ball Coverstock Type","value":"Pearl Reactive"},{"key":"Bowling Ball Cover Name","value":"Motiv Atomic Propulsion Pearl Reactive"},{"key":"Radius of Gyration: RG (15LB)","value":"2.47"},{"key":"Differential: Diff (15LB)","value":".047"},{"key":"Flare Potential","value":"4 - 5 Inches"},{"key":"Surface Finish","value":"5000 Grit"},{"key":"Preferred Lane Conditions","value":"Medium - Heavy Oil"},{"key":"Bowling Ball Color","value":"Purple, Red"},{"key":"Ball Performance Level","value":"High Performance Bowling Balls"},{"key":"Scent","value":"None"},{"key":"Release Date","value":"July 2026"}],"variants":[{"sku":"MTVBSAPRL-16","gtin":"652455329931","label":"16LB","price":204.95,"stock":11,"options":{"Ball Weight":"16LB"},"availability":"instock","regular_price":289.95},{"sku":"MTVBSAPRL-15","gtin":"652455329924","label":"15LB","price":204.95,"stock":164,"options":{"Ball Weight":"15LB"},"availability":"instock","regular_price":289.95},{"sku":"MTVBSAPRL-14","gtin":"652455329917","label":"14LB","price":204.95,"stock":69,"options":{"Ball Weight":"14LB"},"availability":"instock","regular_price":289.95},{"sku":"MTVBSAPRL-13","gtin":"652455329900","label":"13LB","price":204.95,"stock":15,"options":{"Ball Weight":"13LB"},"availability":"instock","regular_price":289.95},{"sku":"MTVBSAPRL-12","gtin":"652455329894","label":"12LB","price":204.95,"stock":14,"options":{"Ball Weight":"12LB"},"availability":"instock","regular_price":289.95}],"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":"MTVBSAPRL Sigma Tour Pearl Front 1080","url":"https://www.bowlersmart.com/wp-content/uploads/2026/06/MTVBSAPRL-Sigma-Tour-Pearl-Front-1080.png"},{"alt":"MTVBSAPRL Sigma Tour Pearl Core 1080","url":"https://www.bowlersmart.com/wp-content/uploads/2026/06/MTVBSAPRL-Sigma-Tour-Pearl-Core-1080.png"}],"release_date":"July 2026","description":"A Tour-Caliber Benchmark Pearl\n\nAbout the Sigma Tour Pearl\n\nThe Motiv Sigma Tour Pearl is a tour-caliber, mid-arsenal benchmark built for medium to medium-heavy oil. It pairs the symmetric Sigma Core with a clean pearl cover for a smooth, readable, controllable motion, the kind of dependable shape that earns a permanent spot in a serious bag. Like all of Motiv's high-performance equipment, it is made in the U.S.A.\n\nThe Sigma Tour Pearl pairs that Sigma Core with Motiv's Atomic Propulsion Pearl Reactive coverstock at a 5000-grit finish. The symmetric core reads the lane evenly and predictably, while the pearl cover clears the fronts cleanly and makes a controllable move at the breakpoint, a readable benchmark with the length a pearl provides.\n\nUnderstanding the Motiv Sigma Core and Motiv Atomic Propulsion Pearl Reactive\n\nMotiv built the Sigma Tour Pearl to be a readable, mid-arsenal benchmark. Specifically, the symmetric Sigma Core reads the lane smoothly and predictably, while the Atomic Propulsion pearl cover at a 5000-grit finish clears the fronts and continues to the pocket. As a result, it delivers a controllable, repeatable shape that tells you what the lane is doing on medium to medium-heavy oil. The full per-weight specifications are listed below.\n\nA Readable Symmetric Core for a Mid-Arsenal Benchmark\n\nAt the heart of the Sigma Tour Pearl is the symmetric Sigma Core. At 15 lb it measures RG 2.47 and a .047 differential, numbers that produce a controllable motion with medium flare. The core reads the lane evenly and repeats the same shape shot after shot, exactly what a benchmark piece needs.\n\nThat readable, repeatable shape is what makes the Sigma a true mid-arsenal benchmark. As a symmetric core, it does not overreact or surprise you, it tells you what the lane is doing so you can make a confident move with the rest of your bag.\n\nA Clean Pearl Cover for Readable Length\n\nThe Sigma Tour Pearl wraps that core in Motiv's Atomic Propulsion Pearl Reactive coverstock at a 5000-grit finish. The pearl additive conserves energy through the front of the lane, so the ball clears the heads cleanly and saves its motion for a controllable move at the breakpoint.\n\nThat clean, readable length is what makes the Sigma Tour Pearl such a dependable benchmark. It gets down medium to medium-heavy oil and finishes with a smooth, controllable backend. Leave it at the 5000-grit box finish for the classic benchmark read, or adjust the surface at your pro shop to lean it earlier or longer.\n\nSigma Tour 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 readable, tour-caliber benchmark pearl that tells you what the lane is doing on medium to medium-heavy oil\n\n✓League Bowlers: A smooth, controllable one-ball with the clean length of a pearl, easy to line up and trust\n\n✓Strokers and Tweeners: The symmetric Sigma core rewards control players with a forgiving, repeatable read\n\n✓Arsenal Builders: A readable mid-arsenal benchmark, the reference pearl your bag plays off of\n\nGood to Know Before You Buy\n\n·Ships at a clean box finish: The 5000 Grit 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 Sigma Tour Pearl Fits in Your Motiv Arsenal\n\nWhere It Fits in Your Arsenal\n\nIn the Motiv lineup, the Sigma Tour Pearl is a readable mid-arsenal benchmark for medium to medium-heavy oil. It clears the fronts cleaner than a solid and reads more smoothly than a sharp pearl, so it slots in as a control-and-length piece, below the strong Jackal and Evoke solids and beside your benchmark equipment.\n\nSurface Adjustments\n\nThe 5000-grit finish is a clean, readable benchmark surface. Take it down with a lower-grit pad for an earlier, stronger read on more oil, or polish it up for more length when the lanes dry. Have surface changes done at your pro shop for an even, consistent finish.\n\nCoverstock Care\n\nWipe the Atomic Propulsion pearl cover with an approved reactive ball cleaner after every session, and deep clean it periodically. Keeping a pearl clean preserves the clean, readable length that defines the Sigma Tour Pearl.\n\nEarn points on every Motiv 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 Motiv Sigma Tour Pearl Bowling Ball ships free with no minimum purchase and is backed by our 60-day return policy. As an authorized Motiv dealer, every ball is genuine and covered by the full one-year Motiv warranty. Place your order before 2 PM EST and it ships the same day.\n\nWeight\nRadius of Gyration (RG)\nDifferential\n\n16 lbs\n2.46\n.044\n\n15 lbs\n2.47\n.047\n\n14 lbs\n2.51\n.040\n\n13 lbs\n2.57\n.032\n\n12 lbs\n2.63\n.024","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/"}]}