{"product_id":"seismic-fullspin-7-ball-steel-xt-built-in-bearings-set-of-8","title":"Seismic Fullspin 7-Ball Steel XT Built-In Bearings (set of 8)","description":"\u003cp\u003e\u003cstrong\u003eSeismic Fullspin\u003csup\u003e®\u003c\/sup\u003e\u003cspan\u003e \u003c\/span\u003e7-Ball Steel XT™ Bearings with Patented High-Precision Built-In Spacer System\u003cbr\u003e\u003c\/strong\u003eNext-level skate bearing tech –\u003cspan\u003e \u003c\/span\u003e\u003cem\u003emore speed, better handling, longer life!\u003c\/em\u003e\u003cbr\u003e\u003cspan\u003e\u003cem\u003eFit standard 8mm axles only.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWe spent over two years nerding out with a crack team of American engineers from one of the biggest and best bearing factories in the world, to raise the bar on bearing tech\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eyet again\u003c\/em\u003e! Roll tighter, truer, faster, and smarter on\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eFullspin:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cem\u003ethe absolute best skate bearings in the entire history of skate bearings!\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cimg src=\"https:\/\/seismicskate.com\/wp-content\/uploads\/2024\/06\/Fullspin_Single_Built-In_Flanged_Isometric_Captioned_View.png\" alt=\"Fullspin\u0026lt;sup\u0026gt;\u0026lt;small\u0026gt;®\u0026lt;\/small\u0026gt;\u0026lt;\/sup\u0026gt; 7-Ball Steel XT™ Built-In Bearings - Image 4\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cu\u003eTHE BASICS\u003c\/u\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cem\u003e(Scroll down for more in-depth technical info.)\u003c\/em\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003e7-Ball system\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003cem\u003e–\u003cspan\u003e \u003c\/span\u003e\u003c\/em\u003eBest overall balance of speed and resistance to frequent impacts and side loads. Recommended for high-speed turning \/ sliding and all style \/ trick disciplines.\u003cbr\u003e\u003cstrong\u003ePremium Steel balls\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e– Superior Grade G10 balls spin truer with less friction inside bearings.\u003cbr\u003e\u003cstrong\u003eExceptionally tight, consistent assembly and raceway tolerances\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Significantly less internal play, friction, wear, and noise.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eSuperior speed, handling, and durability.\u003c\/em\u003e\u003cbr\u003e\u003cstrong\u003eExtra-tough steel\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eand thicker outer rings\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003cem\u003e–\u003cspan\u003e \u003c\/span\u003e\u003c\/em\u003eRaceways hold strictest curvature and finest surface finish – and\u003cspan\u003e \u003c\/span\u003e\u003cem\u003ebearings stay tight and fast\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003e– for far longer. Thicker,\u003cspan\u003e \u003c\/span\u003e\u003cem\u003e60%-stiffer\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003eouter rings resist flexing,\u003cspan\u003e \u003c\/span\u003e\u003cem\u003espin truer and faster\u003c\/em\u003e, and keep seals from popping off on extreme impacts. Premium black oxide surface treatment adds exceptional corrosion resistance.\u003cbr\u003e\u003cstrong\u003eNext-level patented Built-In spacing \/ alignment system –\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eBuilt-in half-spacers with\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eextra-wide flanged ends\u003c\/em\u003e\u003cspan\u003e\u003cstrong\u003e*\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003esquare up inside wheels with\u003cspan\u003e \u003c\/span\u003e\u003cem\u003emore than double the contact area\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003eof ordinary Built-In interfaces – powering\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eabsolutely unparalleled alignment precision and stability\u003c\/em\u003e. System levels and steadies all working components of seated bearings\u003cspan\u003e \u003c\/span\u003e\u003cem\u003efar better than any other design\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003e(Built-In or Classic), to unleash\u003cspan\u003e \u003c\/span\u003e\u003cem\u003enear-perfectly optimized paired performance.\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003eSynergizes with all advanced features in individual bearings to maintain exceptionally consistent wheel contact and grip; support extremely predictable slide performance; and noticeably extend both wheel and bearing life.\u003cbr\u003e\u003cstrong\u003eHigh-end lubricant\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Formulated for\u003cspan\u003e \u003c\/span\u003e\u003cem\u003epeak performance under real-world skating stresses\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003e(not max free-spin time).\u003cbr\u003e\u003cstrong\u003eLabyrinth-style outer seals\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Edges of seals slot inside V-shaped grooves for maximum resistance to dust and debris.\u003cbr\u003e\u003cstrong\u003eNext-level anti-contaminant ball retainers\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Expanded outer diameter slots into groove in outer ring just like a second seal, to form a\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eunique integral barrier against dirt and grime\u003c\/em\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e*\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cem\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003eFlanged half-spacer ends may not fit into hub-less street wheels with extra-thick urethane bearing supports. Choose Fullspin Classic or Fullspin LITE Built-In bearings for wheels of this kind.\u003c\/p\u003e\n\u003cdiv class=\"product-page-block-content spacer\"\u003e\n\u003cdiv class=\"product-page-block-content spacer\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cu\u003eTHE BASICS\u003c\/u\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cem\u003e(Scroll down for more in-depth technical info.)\u003c\/em\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e7-Ball system\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003cem\u003e–\u003cspan\u003e Classic configuration. Best overall balance of speed and resistance to frequent impacts and side loads. Recommended for high-speed turning and sliding (e.g., DH, Freeride, Slalom, Luge, Pump Track) and all style \/ trick disciplines (e.g., Street, Park, Pool, Ramp, SurfSkate, Flatland and Longboard Freestyle).\u003c\/span\u003e\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Steel balls\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e– \n\u003cp\u003eSuperior concentricity, surface smoothness, strength, and durability. Manufactured to Grade G10 spec for\u003cspan\u003e \u003c\/span\u003e\u003cem\u003etruer, lower-friction ball spin inside bearings; less energy loss; more speed; and longer bearing life.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eCompared to balls used in run-of-the-mill skate bearings, G10 specs are 60% – 80% tighter for concentricity (roundness), and 50% – 67% stricter for surface smoothness. (In simpler terms, twice as smooth as the finest cue ball, 10 times as smooth as a mirror finish.)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExceptionally tight, consistent assembly and raceway tolerances\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– \n\u003cp\u003eManufacturing specifications for raceways and assembly are highly technical considerations, but absolutely mission-critical to overall bearing performance. Unlike other skate brands, Seismic fully committed to mastering the science and optimizing every last parameter.\u003c\/p\u003e\n\u003cp\u003eSee footnote below for the finer points.\u003cstrong\u003e¹\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe important takeaway is:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSpecs as tight and accurate as Fullspin’s are only possible at the very biggest, best-equipped, and most skillful factories in the world\u003c\/strong\u003e. The average small skate bearing producer can’t even come close.\u003c\/p\u003e\n\u003cp\u003eThe bottom line for rolling performance: Fullspin’s world-class factory tolerances result in\u003cspan\u003e \u003c\/span\u003e\u003cem\u003esignificantly less internal play, friction, wear, and noise; and noticeably superior speed, handling, and durability!\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e¹\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRadial clearance (gap between balls and raceway surfaces) held within a super tight and narrow range, with remarkably little deviation from the exact middle. Synergizes with extra-strict raceway curvature radius for outstandingly balanced load distribution across balls – a key determinant of overall bearing efficiency and toughness. Raceway surface finish up to 40% smoother than well-known brands. Superior tolerances for outer and inner ring concentricity (roundness), too.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eXT - Extra-tough steel\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eand thicker outer rings\u003c\/strong\u003e\u003cem\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/em\u003e\n\u003cp\u003eInner and outer rings precision-machined from superior steel with advanced heat treatment that fully optimizes metal’s crystalline microstructure. Raceways hold strictest curvature and finest surface finish – and\u003cspan\u003e \u003c\/span\u003e\u003cem\u003ebearings stay tight and fast\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003e– for far longer.\u003c\/p\u003e\n\u003cp\u003eOuter rings are thicker and\u003cspan\u003e \u003c\/span\u003e\u003cem\u003e60% stiffer\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003ethan those seen on most other skate bearings (made with inferior steel). So they resist flexing,\u003cspan\u003e \u003c\/span\u003e\u003cem\u003espin truer and faster\u003c\/em\u003e, and keep seals from popping off on extreme impacts. Coated with a strong rust-preventative agent, but more economically finished without the black oxide anti-corrosion surface treatment seen in premium Steel and Ceramic XT models.\u003c\/p\u003e\n\u003cp\u003eRadius reduced to bare minimum on all edges of both outer and inner rings – for fuller contact and more stable alignment inside bearing pockets of finer wheels; on axles of finer trucks; and at Built-In spacer interfaces.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eA Fullspin first!\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eState-of-the-art Built-In spacing\/alignment system \u003c\/strong\u003eFullspin spacers – precision-machined from premium bearing steel with smarter, stricter dimensional specs – have thicker walls that square up against matching extra-wide inner ring surfaces with\u003cspan\u003e \u003c\/span\u003e\u003cem\u003esuperior precision and stability\u003c\/em\u003e. System levels and steadies all working components of seated bearings\u003cspan\u003e \u003c\/span\u003e\u003cem\u003ebetter than Classic designs from any other brand\u003c\/em\u003e, to unlock\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eoutstanding paired performance.\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003eSynergizes with all advanced features in individual bearings to maintain highly consistent wheel contact and grip; support more predictable slide performance; and extend both wheel and bearing life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-end lubricant - \u003c\/strong\u003ePacked with premium “high-RPM” light grease from Kyodo Japan. Formulated for\u003cspan style=\"font-size: 0.875rem;\"\u003e \u003c\/span\u003e\u003cem style=\"font-size: 0.875rem;\"\u003epeak performance under real-world skating stresses\u003c\/em\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e,\u003c\/span\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e \u003c\/span\u003e\u003cstrong style=\"font-size: 0.875rem;\"\u003enot\u003c\/strong\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e \u003c\/span\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003emax free-spin time. Just press into your wheels and go!\u003c\/span\u003e\u003cstrong style=\"font-size: 0.875rem;\"\u003e¹\u003c\/strong\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFree-spinning bearings or wheels by hand, under zero load, is not a meaningful measure of real-world performance (though none of us can resist free-spinning fresh new wheels and bearings). Fullspin’s advanced lubricant is designed to perform best when warmed up under the load of a human skater who’s rolling, turning, and sliding on real asphalt or concrete.\u003cstrong\u003e²\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e¹\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDo not clean – or add extra lubricant to – brand new Fullspin bearings. Wipe grime off outer seals whenever excess builds up. Clean and re-lube bearings only as needed, depending on how often and where you skate – more frequently if you ride through water, mud, dirt, or sand. Do not remove outer seals or disassemble in any way; just soak in isopropyl alcohol (70% solution or greater), rinse, and let dry. Avoid excessive cleaning, which increases risk of accidental damage to small internal components, as well as citrus-based cleaning solutions, which cause corrosion.\u003cbr\u003e\u003cstrong\u003e²\u003c\/strong\u003e Bearings may gain extended free-spin time if they’re under-lubricated, or lubricated with very thin oil, or assembled too loosely. But under real-world skating stresses, they won’t perform as well or hold up as long as high-quality bearings with tight assembly tolerances and\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eappropriate\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003elubricant – even though the latter may have a shorter free-spin. Most skating speed records have been set on bearings with modest free-spin.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eWhat matters is how bearings handle under the load of a human rider’s bodyweight – rolling, turning, and sliding on real asphalt or concrete.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLabyrinth-style outer seals\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Removable rubber-coated “no contact” steel seals with printed graphic. Edges of seals slot inside V-shaped grooves machined into both outer and inner rings. This “Labyrinth” interface maximizes resistance to dust and debris – which can only penetrate the bearing by navigating a twisting, maze-like path around seal edges.\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSeals protect bearings from environmental contaminants, which significantly accelerate wear. Properly-made “no contact” seals do not add friction. Brands that promote completely unsealed bearings just want you to wear yours out faster so they can sell you another set (that will also wear out prematurely).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNext-level anti-contaminant ball retainers\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Fullspin’s custom ball retainers keep bearings cleaner for longer, without the addition of a second seal. They feature an expanded outer diameter that slots into a groove in the outer ring just like a second seal – to form a\u003cspan style=\"font-size: 0.875rem;\"\u003e \u003c\/span\u003e\u003cem style=\"font-size: 0.875rem;\"\u003eunique integral barrier against dirt and grime\u003c\/em\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e.\u003c\/span\u003e\n\u003cp\u003eMolded from an engineering-grade fiber-reinforced composite specifically formulated by the German producer for high stiffness and dimensional stability in bearing retainers and similar components.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAbec rating -\u003c\/strong\u003e We don’t bother with the ABEC rating system, which measures only the most superficial dimensional tolerances of the outer and inner rings – all of negligible relevance to real-world skating performance.\n\u003cp\u003eOther bearing brands frequently inflate or fabricate ABEC ratings to mislead the buying public. But even when accurately measured and reported, low-versus-high ABEC ratings have no direct correspondence with poor-versus excellent skating performance in the real world.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEco-Friendly Packaging -\u003c\/strong\u003e \u003cspan\u003eNo wasteful, oversized metal tins or plastic cases – just a minimal recyclable cardboard box. Bearings and spacers wrapped inside VCI (“Volatile Corrosion Inhibitor”) paper – \u003c\/span\u003e\u003cem\u003eanother Fullspin first!\u003c\/em\u003e\u003cspan\u003e Adds superior protection against corrosion during transit and long-term storage of unopened packages.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003eNo imaginary tech, pseudo science, or smoke and mirrors \u003c\/strong\u003e- \u003c\/span\u003eJust superior performance through genuinely advanced, no-BS engineering; highest-quality materials and components; and highest-precision manufacturing.\n\u003cp\u003e \u003c\/p\u003e\n\u003cem\u003e\u003cstrong\u003e100% FREE OF:\u003cbr\u003e\u003c\/strong\u003e\u003c\/em\u003e\u003cem\u003e–\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003eRandom bearing tech inappropriately adapted from other industries solely for the sake of novelty.\u003cbr\u003e\u003cem\u003e–\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003eHigh-sounding raceway coatings that interfere with optimal finishing and cause abrasive damage to ball surfaces.\u003cbr\u003e\u003cem\u003e–\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003eFlashy lubricant additives that accelerate wear not speed.\u003cbr\u003e\u003cem\u003e–\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003eBombastic references to features and processes like the following (all totally ordinary and unexceptional at any decent, self-respecting skate bearing factory): deep-groove raceways with micro-channels, fine-polishing, fiber-reinforced nylon retainers, hand-inspection, and ultrasonic solvent washing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!----\u003e","brand":"Seismic","offers":[{"title":"Default Title","offer_id":56833692696954,"sku":null,"price":35.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0580\/8603\/1404\/files\/SeismicFullspin7-BallSteelXTBuilt-InBearings.webp?v=1776976674","url":"https:\/\/wake2o.co.uk\/products\/seismic-fullspin-7-ball-steel-xt-built-in-bearings-set-of-8","provider":"Wake2o™","version":"1.0","type":"link"}