{"merchant":{"slug":"bowlersmart","name":"BowlersMart","domain":"www.bowlersmart.com"},"id":"1349736","sku":"BBMRGV","gtin":null,"name":"Roto Grip Gremlin Tour X 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 Balls for Two-Handed Bowlers","slug":"two-handed-bowling-balls"},{"name":"Heavy Oil Bowling Balls","slug":"heavy-oil-bowling-balls"},{"name":"High Performance Bowling Balls","slug":"high-performance-bowling-balls"},{"name":"Hybrid Reactive Bowling Balls","slug":"hybrid-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-gremlin-tour-x-bowling-ball/","pages":{"html":"https://ittems.com/bowlersmart/p/roto-grip-gremlin-tour-x-bowling-ball","md":"https://ittems.com/bowlersmart/p/roto-grip-gremlin-tour-x-bowling-ball.md","json":"https://ittems.com/bowlersmart/p/roto-grip-gremlin-tour-x-bowling-ball.json"},"price":{"min":159.95,"max":159.95,"currency":"USD"},"availability":"instock","checked_at":"2026-10-16T00:14:34.804268+00:00","source_updated_at":"2026-10-15T23:08:30+00:00","summary":"What should I know about the Gremlin Tour-X? Re-engineered Rondure Tour-X asymmetric core for smooth, predictable control V-R1 Hybrid Reactive cover finished at 4000 Abralon A versatile benchmark built for medium to medium-heavy oil","specs":[{"key":"Brand","value":"Roto Grip"},{"key":"Bowling Ball Core Shape","value":"Asymmetrical Core"},{"key":"Bowling Ball Core Name","value":"Roto Grip Rondure Tour X Core"},{"key":"Bowling Ball Cover Name","value":"Roto Grip V-R1 Hybrid Reactive"},{"key":"Bowling Ball Coverstock Type","value":"Hybrid Reactive"},{"key":"Radius of Gyration: RG (15LB)","value":"2.48"},{"key":"Differential: Diff (15LB)","value":".034"},{"key":"Mass Bias Strength","value":".011"},{"key":"Flare Potential","value":"3 - 4 Inches"},{"key":"Surface Finish","value":"4000 Grit"},{"key":"Ball Performance Level","value":"High Performance Bowling Balls, Roto Grip HP3 Bowling Balls"},{"key":"Preferred Lane Conditions","value":"Medium - Heavy Oil"},{"key":"Bowling Ball Color","value":"Blue, Grey, Purple"},{"key":"Scent","value":"None"},{"key":"Release Date","value":"February 2026"},{"key":"Production-status","value":"In Production"},{"key":"Suggested Retail Price","value":"164.95"}],"variants":[{"sku":"RGBBMRGV16","gtin":"887970769225","label":"16LB","price":159.95,"stock":23,"options":{"Ball Weight":"16LB"},"availability":"instock","regular_price":249.95},{"sku":"RGBBMRGV15","gtin":"887970769201","label":"15LB","price":159.95,"stock":160,"options":{"Ball Weight":"15LB"},"availability":"instock","regular_price":249.95},{"sku":"RGBBMRGV14","gtin":"887970769171","label":"14LB","price":159.95,"stock":82,"options":{"Ball Weight":"14LB"},"availability":"instock","regular_price":249.95},{"sku":"RGBBMRGV13","gtin":"887970769140","label":"13LB","price":159.95,"stock":21,"options":{"Ball Weight":"13LB"},"availability":"instock","regular_price":249.95},{"sku":"RGBBMRGV12","gtin":"887970769119","label":"12LB","price":159.95,"stock":19,"options":{"Ball Weight":"12LB"},"availability":"instock","regular_price":249.95}],"images":[{"alt":"Gremlin TOUR-X_no-shadow","url":"https://www.bowlersmart.com/wp-content/uploads/2026/02/Gremlin-TOUR-X_no-shadow.webp"},{"alt":"Rondure TOUR-X Core_front","url":"https://www.bowlersmart.com/wp-content/uploads/2026/02/Rondure-TOUR-X-Core_front.webp"}],"release_date":"February 2026","description":"Tour-Level Control and All-Conditions Versatility\n\nAbout the Gremlin Tour-X\n\nThe Roto Grip Gremlin Tour-X takes the popular Gremlin and rebuilds it for control. Where the original Gremlin chases the pocket with an aggressive, skid-flip motion, the Tour-X smooths everything out. It pairs a re-engineered Rondure Tour-X asymmetric core with the V-R1 Hybrid Reactive coverstock to deliver predictable, professional-grade motion across the widest range of conditions.\n\nThat versatility is the whole point. Roto Grip designed the Tour-X to be a benchmark ball: the first piece out of the bag, the one that reads the lane honestly and tells you what the pattern is doing. It is strong enough to handle medium to medium-heavy oil, but controllable enough to trust shot after shot. When the original Gremlin is too much ball, the Tour-X is the answer.\n\nUnderstanding the Roto Grip Rondure Tour-X and Roto Grip V-R1 Hybrid Reactive\n\nRoto Grip built the Gremlin Tour-X around control and read. Specifically, the asymmetric Rondure Tour-X core is tuned for a smooth, even roll rather than a sharp, late flip, so the ball stores energy predictably and clears the pattern without overreacting. The V-R1 Hybrid Reactive cover, finished at 4000 Abralon, grabs the mid-lane for traction, then delivers a controlled, continuous response to friction down-lane. The full per-weight specifications are listed below.\n\nA Re-Engineered Asymmetric Core Tuned for Smooth, Predictable Control\n\nAt the heart of the Gremlin Tour-X is the asymmetric Rondure Tour-X core. At 15 lb it measures RG 2.48, Differential .034, and an intermediate differential (mass bias) of .011, numbers that produce a strong but controlled roll with a defined, repeatable shape. The moderate differential delivers roughly 3 to 4 inches of track flare: enough to read the mid-lane and clear the oil, without the overreaction that makes a ball hard to trust.\n\nThe Tour-X core is built for predictability. Rather than storing energy for a sharp, late flip, it rolls smoothly and continuously, so the ball reacts the same way shot after shot. That consistency is what makes it a true benchmark piece: it shows you what the lane is doing so you can make a confident move, and it rewards repeating your shot instead of relying on a violent backend.\n\nA Hybrid Cover That Reads the Mid-Lane and Controls the Backend\n\nThe Gremlin Tour-X wraps that core in the V-R1 Hybrid Reactive coverstock, finished at 4000 Abralon. A hybrid cover blends the cleaner length of a pearl with the mid-lane traction of a solid, so the Tour-X gets through the front of the lane while still grabbing the oil where it matters. The 4000 Abralon finish runs relatively clean and long, then delivers a smooth, continuous, controllable response to friction instead of a sharp snap.\n\nThat combination is what makes the Tour-X so trustworthy. It reads the mid-lane honestly and arcs to the pocket the same way every time, so you spend less time guessing the breakpoint and more time repeating a good shot. Leave it at the box finish for a clean, controlled look, or take the surface down at your pro shop for an earlier, stronger read when the oil increases.\n\nGremlin Tour-X 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 controllable benchmark ball that reads the pattern honestly, the first piece out of the bag to find a line\n\n✓Strokers and Tweeners: The smooth, continuous motion rewards repeating your shot rather than relying on a sharp backend\n\n✓All-Conditions Bowlers: Strong enough for medium to medium-heavy oil, controllable enough to trust across changing patterns\n\n✓Benchmark Seekers: If you want one ball that tells you what the lane is doing, the Tour-X is built to be that reference piece\n\nGood to Know Before You Buy\n\n·Ships at a clean box finish: The 4000 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·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 Gremlin Tour-X Fits in Your Roto Grip Arsenal\n\nWhere It Fits in Your Arsenal\n\nIn the Roto Grip lineup, the Gremlin Tour-X is your benchmark and control piece. Where the original Gremlin and stronger solids attack the freshest, heaviest oil with more angle, the Tour-X steps in as the predictable reference: it reads the mid-lane, arcs continuously, and shows you the pattern so you can make your next move. It pairs naturally below your strongest solid and above your cleaner pearls, the ball you start with and keep coming back to.\n\nSurface Adjustments\n\nThe 4000 Abralon finish is a clean, controlled box setup. Take the surface down with a lower-grit pad for an earlier, stronger read when the oil increases, or polish it up for more length and backend when the lanes dry out. Have surface changes done at your pro shop for an even, consistent finish.\n\nCoverstock Care\n\nWipe the V-R1 Hybrid cover with an approved reactive ball cleaner after every session, and deep clean it periodically. Keeping the cover fresh preserves the controlled mid-lane read and continuous backend that make the Tour-X a reliable benchmark.\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 Gremlin Tour X 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\n2.48\n.032\n.010\n\n15 lbs\n2.48\n.034\n.011\n\n14 lbs\n2.52\n.034\n.010\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/"}]}