{"product_id":"ceramicspeed-ospw-aero-alpha-pulley-wheel-system-for-shimano-9250-and-8150-pulleys-road-bike-mrdp0195","title":"CeramicSpeed OSPW Aero ALPHA Pulley System for Shimano 9250 - 8150 - Carbon Fiber Cage, Coated ADR Bearings, Aero Design \u0026 12-Speed Compatibility","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eExperience Unmatched Speed and Durability with the CeramicSpeed OSPW Aero ALPHA System for Shimano 9250\/8150\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003eElevate your cycling performance with the CeramicSpeed OSPW Aero ALPHA System, specifically engineered for Shimano 9250 and 8150 12-speed road derailleurs. Crafted from advanced materials and equipped with cutting-edge technology, this high-performance derailleur cage delivers superior aerodynamics, exceptional durability, and whisper-quiet operation-perfect for competitive racers and serious enthusiasts alike.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eMaterials \u0026amp; Performance Engineering\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003eBuilt with injection-molded carbon fiber reinforced PA Aero cage, the system drastically reduces aerodynamic drag by up to 60%, improving efficiency on every ride. The lightweight yet robust aluminum pulleys feature a composite, narrow-wide tooth profile that effectively prevents debris accumulation, ensuring smooth shifting even in challenging conditions. The handbuilt CeramicSpeed coated ADR bearings in each pulley provide unmatched precision, with Grade 3 Silicon Nitride balls that are 400% smoother, 128% harder, and 58% lighter than traditional steel, resulting in reduced friction, increased longevity, and a silky-smooth drive train.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-5\"\u003e\u003cp\u003eComponents \u0026amp; Technology\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-6\"\u003e\u003cp\u003eThis system boasts 13-tooth upper and 19-tooth lower Alpha pulley wheels, enclosed with CeramicSpeed's patent-pending ADR bearing protection for maximum reliability. Its innovative Aero cage design minimizes wind resistance, and the inclusion of the speed-defying pinstripe graphic adds a dynamic visual element. The system is engineered with four customizable spring tension settings, allowing riders to optimize derailleur setup for different riding conditions and personal preferences.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-7\"\u003e\u003cp\u003eStyle \u0026amp; Use Case\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-8\"\u003e\u003cp\u003eDesigned for high-performance road cycling, the CeramicSpeed OSPW Aero Alpha System is compatible with Shimano Dura-Ace R9250 and Ultegra R8150 12-speed rear derailleurs-ideal for professional racing, time trials, and endurance rides. Its sleek black finish complements any high-end road bike, combining style with functional innovation. Please note, this upgrade is compatible exclusively with the latest Aero cage models and cannot be retrofitted onto previous generations.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-9\"\u003e\u003cp\u003eInnovative Features\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-10\"\u003e\u003cp\u003e- Up to 60% reduction in aerodynamic drag for enhanced speed\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-11\"\u003e\u003cp\u003e- Injection-molded carbon fiber reinforced Aero cage for added strength and durability\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003e- CeramicSpeed coated ADR bearings for ultra-smooth operation and extended lifespan\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003e- Grade 3 Silicon Nitride ball bearings: 400% smoother, 128% harder, 58% lighter\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003e- Composite narrow-wide tooth profile prevents debris buildup\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003e- Four adjustable spring tension settings for tailored performance\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-16\"\u003e\u003cp\u003eOptimize your road cycling setup with the advanced CeramicSpeed OSPW Aero ALPHA System - the ultimate upgrade for speed, efficiency, and reliability. Conquer the road with confidence and style, backed by industry-leading engineering and innovative materials designed for passionate cyclists and competitive racers.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eEnhanced aerodynamic performance with injection-molded carbon fiber reinforced PA Aero cage reduces rear derailleur drag by up to 60%, delivering faster and more efficient shifting. \u003c\/li\u003e\n\u003cli\u003eBuilt with CeramicSpeed's patented ADR bearing protection and handbuilt coated bearings, ensuring ultra-smooth operation, increased durability, and reduced friction for superior drivetrain efficiency. \u003c\/li\u003e\n\u003cli\u003eDesigned with Alpha disc pulleys featuring a narrow-wide composite tooth profile that minimizes debris buildup and enhances chain retention, ideal for both competitive racing and rugged cycling conditions. \u003c\/li\u003e\n\u003cli\u003eConstructed with lightweight aluminum pulleys and carbon cage materials, offering a sleek, aerodynamic style while maintaining high strength, making it perfect for high-performance road cycling and triathlons. \u003c\/li\u003e\n\u003cli\u003eFeaturing adjustable spring tension settings and compatibility with Shimano 9250\/8150 12-speed systems, this innovative Aero ALPHA OSPW system optimizes gear performance, ensuring precise shifting and sustained speed on aerodynamic pursuits.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"CeramicSpeed","offers":[{"title":"Default Title","offer_id":42172328149059,"sku":"MRDP0195","price":799.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/DP0045_bbe2d5f7-509d-4b18-8951-c29e35ee9ac0.jpg?v=1773428748","url":"https:\/\/365cycles.com\/products\/ceramicspeed-ospw-aero-alpha-pulley-wheel-system-for-shimano-9250-and-8150-pulleys-road-bike-mrdp0195","provider":"365 Cycles","version":"1.0","type":"link"}