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Seismic has raised the bar on bearing tech yet again! We 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. We scrutinized and re-assessed every last component and design feature – and seized on every opportunity to make refinements both large and small – to fully optimize all aspects of skate bearing performance. Roll tighter, truer, faster, and smarter on FULLSPIN – the finest skate bearings in the history of skate bearings!
6-Ball, 7-Ball, & 10mm Systems • Built-In & Classic Constructions
Premium Steel & Black Ceramic Ball Options
Twelve different models – the widest range on the market – with varying feature sets to fill every possible performance need. Next-level Built-In or Classic spacing tech. Steel or Black Ceramic balls in superior Grade G10 for truer, lower-friction spin inside bearings.
Exceptionally Tight, Consistent Specs for Raceway Curvature and Ball Clearance
These parameters are extremely technical, but together they determine mission-critical performance characteristics: how closely raceways wrap around balls, how smoothly and precisely outer rings spin, and how evenly load is distributed inside bearings. Too many brands feign expertise with an overblown muddle of token bearing jargon. Not Seismic. We fully committed to mastering the science, and we pooled brainpower with one of the few factories on earth geared up to get these specifications dialed tight. So Fullspin bearings roll with significantly less internal play, friction,wear, and noise; and superior speed, handling, and durability!
Extra-Tough (XT) Steel and Thicker Outer Rings
Steel specifications are quite complex, but they’re pivotal to bearing strength and durability. Fullspin XT bearing steel is as good as it gets. So raceways hold strictest curvature and finest surface finish – and bearings stay tight and fast – for far longer. Thicker, 60%-stiffer outer rings resist flexing, spin truer and faster, and keep seals from popping off on extreme impacts.
Next-Level Built-In and Classic Spacing / Alignment Systems
Accurate spacing and precise alignment are critical considerations that are too often overlooked. They bring superior paired performance of seated bearings; more consistent wheel contact and grip; more predictable slide dynamics; and longer wheel and bearing life. We’ve dialed both Built-In and Classic systems to a whole new level. Get your bearings straight with Fullspin!
Our Built-In designs (XT and LITE) feature integral half-spacers with smarter, stricter width specs. Patented extra-wide flanges on premium XT models square up inside wheels with more than double the contact area of ordinary Built-In interfaces – powering absolutely unparalleled alignment precision and stability.
Our Classic systems feature thick-walled spacers made of highest-grade bearing steel and machined with significantly smarter, stricter width and bore specs. Next-level profiled spacers (included with Ceramic XT models and available separately) have broad flanged ends that square up against matching extra-wide inner ring surfaces with up to 67% more contact area – powering unprecedented Classic alignment precision and stability.
High-End Lubricant
Light grease formulated by one of the world’s leading lubricant suppliers for peak performance under real-world skating stresses (not max free-spin time). No gimmicky additives, just the tried-and-true premium stuff embraced by top bearing engineers.
Superior Anti-Contaminant Seals and Ball Retainers
Seal’s outside lip is customized to precisely slot inside outer ring groove, while its inside lip forms a robust “Labyrinth” interface with a stepped T-groove on inner ring. Next-gen ball retainer has expanded diameter that engages an identical groove on inside of bearing – to form a unique integral barrier against dust and debris without a second seal. Streamlined construction not only repels dirt and grime more efficiently with fewer components; it also retains lubricant noticeably better than other designs – with virtually no lube “spin-out.” Keeps bearing spinning smooth and fast for longer… with less friction, wear, and noise.
No Imaginary Tech, Pseudo-Science, or Smoke-and-Mirrors
Just superior performance through genuinely advanced, no-BS engineering; highest-quality materials and components; and highest-precision manufacturing.