{"product_id":"ceramicspeed-ospw-rs-alpha-shimano-dura-ace-9250-ultegra-8150","title":"CeramicSpeed OSPW RS Alpha for Shimano Dura-Ace 9250 \u0026 Ultegra 8150 - Team Edition","description":"\u003ch2 data-path-to-node=\"11,0\"\u003eSovereign Road Velocity: Active Debris Shroud Protection Meets Rigid Composite Architecture and Elite Hand-Built Ceramic Bearings for Shimano 12-Speed\u003c\/h2\u003e\n\u003cp data-path-to-node=\"11,1\"\u003eEliminate parasitic drivetrain friction where it strikes your gear loop the hardest, sharpen your electronic shifting response across your cassette, and add an unmistakable premium visual statement to your machine. The \u003cb data-path-to-node=\"11,1\" data-index-in-node=\"219\"\u003eCeramicSpeed OSPW RS Alpha for Shimano Dura-Ace and Ultegra di2\u003c\/b\u003e represents the absolute pinnacle of modern oversized pulley engineering—meticulously sculpted to integrate flawlessly with Shimano's flagship 12-speed electronic road rear derailleurs. Sourcing elite, highly technical drivetrain assemblies independently from international online warehouses often exposes you to long shipping delays, single-item courier minimums, or unexpected port clearance hold-ups. Epic Sports handles all international logistics natively. Hand-built in Denmark, this system combines sharp angular lines with a revolutionary debris-shielding infrastructure to extract every possible watt from your pedal stroke.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"11,3\"\u003eWhy the OSPW RS Alpha Shimano Platform Dominates the Grid:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"11,4,0,0\"\u003e\n\u003cb data-path-to-node=\"11,4,0,0\" data-index-in-node=\"0\"\u003eRevolutionary Active Debris Shroud (ADS):\u003c\/b\u003e Permanent internal barrier. Features a specialized moving dust shield design that physically guards the bearing seal faces, actively deflecting fine road dust, tarmac grit, and moisture water streams away from the spinning internals.\u003c\/li\u003e\n\u003cli data-path-to-node=\"11,4,1,0\"\u003e\n\u003cb data-path-to-node=\"11,4,1,0\" data-index-in-node=\"0\"\u003eHyper-Rigid Injection-Molded Composite Cage:\u003c\/b\u003e Structural shifting alignment perfection. Formulated from a custom fiber-reinforced polymer compound that delivers incredible impact resistance and zero flexing, keeping your tracking lines razor-straight under peak sprinting forces.\u003c\/li\u003e\n\u003cli data-path-to-node=\"11,4,2,0\"\u003e\n\u003cb data-path-to-node=\"11,4,2,0\" data-index-in-node=\"0\"\u003eAlpha Disc Pulley Wheel Array:\u003c\/b\u003e Structural integrity meets speed. Designed with a solid disc geometry that prevents road grime, twigs, or debris from getting caught inside the pulleys while maximizing airflow efficiency.\u003c\/li\u003e\n\u003cli data-path-to-node=\"11,4,3,0\"\u003e\n\u003cb data-path-to-node=\"11,4,3,0\" data-index-in-node=\"0\"\u003eHand-Built Ceramic Bearing Efficiency:\u003c\/b\u003e Surgical rotational smoothness. Outfitted with premium silicon nitride balls rolling on hardened steel tracks, delivering unmatched free-spinning longevity that leaves standard factory steel bearings far behind.\u003c\/li\u003e\n\u003cli data-path-to-node=\"11,4,4,0\"\u003e\n\u003cb data-path-to-node=\"11,4,4,0\" data-index-in-node=\"0\"\u003eExclusive Team Logo Edition Styling:\u003c\/b\u003e Low-profile pro aesthetics. Features the bold white CeramicSpeed Team Logo emblazoned across a deep black-on-black color configuration, perfectly complementing modern carbon superbikes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"11,6\"\u003eTechnical Specifications \u0026amp; Product Architecture:\u003c\/h3\u003e\n\u003ctable data-path-to-node=\"11,7\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDrivetrain Performance Variable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTechnical Architecture \u0026amp; Product Specifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,7,1,0,0\"\u003e\u003cb data-path-to-node=\"11,7,1,0,0\" data-index-in-node=\"0\"\u003eDerailleur Compatibility\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,7,1,1,0\"\u003eShimano Dura-Ace di2 RD-9250 and Ultegra di2 RD-8150 Rear Derailleurs\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,7,2,0,0\"\u003e\u003cb data-path-to-node=\"11,7,2,0,0\" data-index-in-node=\"0\"\u003ePulley Wheel Technology\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,7,2,1,0\"\u003e\u003cb data-path-to-node=\"11,7,2,1,0\" data-index-in-node=\"0\"\u003eAlpha Disc Array\u003c\/b\u003e featuring specialized structural composite teeth\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,7,3,0,0\"\u003e\u003cb data-path-to-node=\"11,7,3,0,0\" data-index-in-node=\"0\"\u003eCage Structural Material\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,7,3,1,0\"\u003eCustom Fiber-Reinforced Injection-Molded Composite Assembly\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,7,4,0,0\"\u003e\u003cb data-path-to-node=\"11,7,4,0,0\" data-index-in-node=\"0\"\u003eBearing Matrix Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,7,4,1,0\"\u003eHand-Built CeramicSpeed Silicon Nitride Balls (Coated Option Available)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,7,5,0,0\"\u003e\u003cb data-path-to-node=\"11,7,5,0,0\" data-index-in-node=\"0\"\u003eDebris Protection Core\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,7,5,1,0\"\u003eIntegrated Active Debris Shroud (ADS) Dynamic Face Barrier\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,7,6,0,0\"\u003e\u003cb data-path-to-node=\"11,7,6,0,0\" data-index-in-node=\"0\"\u003eLubrication Maintenance\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,7,6,1,0\"\u003ePre-packed from factory with low-viscosity \u003cb data-path-to-node=\"11,7,6,1,0\" data-index-in-node=\"43\"\u003eCeramicSpeed Pulley Oil\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,7,7,0,0\"\u003e\u003cb data-path-to-node=\"11,7,7,0,0\" data-index-in-node=\"0\"\u003eDrivetrain Speed Match\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,7,7,1,0\"\u003eOptimized exclusively for modern \u003cb data-path-to-node=\"11,7,7,1,0\" data-index-in-node=\"33\"\u003e12-Speed Shimano Chains\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,7,8,0,0\"\u003e\u003cb data-path-to-node=\"11,7,8,0,0\" data-index-in-node=\"0\"\u003eFulfillment Status\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,7,8,1,0\"\u003eSecurely Stocked Natively in Kenya, 100% Factory Authenticity Verified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 data-path-to-node=\"11,9\"\u003eFrequently Asked Questions (FAQ) for Discerning Riders:\u003c\/h3\u003e\n\u003cp data-path-to-node=\"11,10\"\u003e\u003cb data-path-to-node=\"11,10\" data-index-in-node=\"0\"\u003eWhat makes the new OSPW RS Alpha design superior to older CeramicSpeed OSPW generations?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"11,11\"\u003eThe OSPW RS series represents a ground-up design overhaul focusing on extreme real-world durability. While older cages used exposed skeleton shapes that could catch road grit, the RS features a modern, hyper-rigid closed composite architecture that deflects crosswinds and debris. Most importantly, the Alpha variant introduces \u003cb data-path-to-node=\"11,11\" data-index-in-node=\"328\"\u003eActive Debris Shroud (ADS) technology\u003c\/b\u003e—a physical, moving shroud that shields the bearing face itself, preventing water entry from bike washes or heavy rain downpours and extending your service intervals significantly on Kenyan roads.\u003c\/p\u003e\n\u003cp data-path-to-node=\"11,12\"\u003e\u003cb data-path-to-node=\"11,12\" data-index-in-node=\"0\"\u003eDoes installing this oversized pulley system affect my Shimano di2 shifting crispness?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"11,13\"\u003eYes, it improves it. Standard carbon cages can experience minor torsional flexing when shifting under load across a 12-speed cassette, resulting in a slight delay. The OSPW RS cage is built from an exceptionally stiff fiber-reinforced composite compound that refuses to twist or yield. Combined with the precision-molded tooth profiles of the Alpha discs, this system ensures the chain tracks flawlessly under heavy load, providing ultra-crisp, rapid gear changes during out-of-the-saddle sprints or steep climbs.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"11,15\"\u003eAuthentic Local Stock – Skip Port Surcharges \u0026amp; Customs Hassles\u003c\/h3\u003e\n\u003cp data-path-to-node=\"11,16\"\u003eAvoid the extreme frustration of buying small premium upgrades and structural components from international online warehouses, only to face weeks of shipping delays, exorbitant courier freight minimums, or unexpected port clearance hold-ups. Epic Sports handles all international logistics, bulk freight compliance, and customs handling natively. We provide guaranteed 100% authentic CeramicSpeed performance gear, local product support, and secure, trackable express delivery straight to your doorstep across Kenya.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Epic Sports","offers":[{"title":"MATTE\/BLACK","offer_id":52061535764793,"sku":null,"price":75000.0,"currency_code":"KES","in_stock":true},{"title":"Silver","offer_id":52061535797561,"sku":null,"price":75000.0,"currency_code":"KES","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0912\/9895\/5577\/files\/1_791ccdcd-88be-4ccc-bd92-742ec4739c5d.png?v=1774860264","url":"https:\/\/epicsports.cc\/products\/ceramicspeed-ospw-rs-alpha-shimano-dura-ace-9250-ultegra-8150","provider":"Epic Sports ","version":"1.0","type":"link"}