{"product_id":"ceramicspeed-single-bearing-61702-6702-high-performance-cycling-bearing","title":"CeramicSpeed Single Bearing 61702 (6702) – High-Performance Cycling Bearing","description":"\u003cp\u003eThe CeramicSpeed Single Bearing 61702 (6702) represents the pinnacle of precision and durability in cycling components. Hand-built in Denmark, each bearing features CeramicSpeed grade 3 Silicon Nitride balls that are meticulously matched within microns to hardened steel raceways, ensuring an ultra-smooth polished groove for minimal friction. This meticulous construction delivers superior power transfer and extended bearing life, making it an essential upgrade for serious cyclists.\u003c\/p\u003e\n\n\u003cp\u003eDesigned with a reinforced polyamide cage and optimized with low viscosity CeramicSpeed \"Blue Grease,\" these bearings reduce friction while protecting against dirt and moisture with non-contact seals. Whether you ride Road, TT, Triathlon, Track, Cross, or MTB disciplines, these bearings are engineered to perform across all terrains and conditions, offering unmatched smoothness and reliability.\u003c\/p\u003e\n\n\u003cp\u003eEvery bearing undergoes rigorous quality control, including four manual checks during assembly to guarantee perfect part matching. The CeramicSpeed Silicon Nitride balls outperform standard steel bearings by being 400% smoother, 128% harder, and 58% lighter. Compared to other ceramic balls, they are 15% harder, endure 99% higher loads, and offer 100% smoother operation, delivering a noticeable enhancement in ride quality.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eInner Diameter: 15mm\u003c\/li\u003e\n  \u003cli\u003eOuter Diameter: 21mm\u003c\/li\u003e\n  \u003cli\u003eWidth: 4mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eReducing friction for more efficient power transfer\u003c\/li\u003e\n  \u003cli\u003eExtending bearing lifespan under various cycling conditions\u003c\/li\u003e\n  \u003cli\u003eEnhancing smoothness and performance across all cycling disciplines\u003c\/li\u003e\n  \u003cli\u003eProviding robust protection against dirt and moisture\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat It’s NOT Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eApplications requiring larger or smaller bearing sizes\u003c\/li\u003e\n  \u003cli\u003eUse in non-cycling mechanical systems\u003c\/li\u003e\n  \u003cli\u003eSituations where maintenance is completely neglected over long periods\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eAre these bearings compatible with all bike hubs?\u003c\/strong\u003e\u003cbr\u003eThey are designed for hubs matching the specified dimensions (15mm inner diameter, 21mm outer diameter, 4mm width). Compatibility should be verified with your specific hub model.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do these bearings improve my cycling performance?\u003c\/strong\u003e\u003cbr\u003eThe low friction and superior smoothness reduce energy loss during pedaling, allowing for better power transfer and a smoother ride experience.\u003c\/p\u003e","brand":"CeramicSpeed","offers":[{"title":"Default Title","offer_id":45965248659631,"sku":"101215","price":79.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/101215.jpg?v=1768532735","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/ceramicspeed-single-bearing-61702-6702-high-performance-cycling-bearing","provider":"Swinnerton Cycles","version":"1.0","type":"link"}