{"product_id":"shimano-dura-ace-bb-r9100","title":"Shimano Dura Ace","description":"\u003cp data-path-to-node=\"2\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"2\"\u003eSmooth Operator.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp id=\"p-rc_3867b89d4267af57-1458\" data-path-to-node=\"3\"\u003eThe Dura Ace BB is compatible with all \u003cb data-index-in-node=\"113\" data-path-to-node=\"3\"\u003eShimano Hollowtech II\u003c\/b\u003e cranksets. \u003cspan class=\"citation-3184 citation-end-3184\"\u003eBy utilizing smaller, high-precision bearings and a refined seal structure, Shimano has reduced weight and rotational friction while simultaneously improving weather resistance.\u003csup data-turn-source-index=\"3\" class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e It is the \"set-it-and-forget-it\" component that ensures every watt you put into the pedals is transferred directly to the rear wheel.\u003c\/p\u003e\n\u003cp data-path-to-node=\"3\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"4\"\u003eWhy It's the Pro-Tour Standard:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"5\"\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_3867b89d4267af57-1459\" data-path-to-node=\"5,0,0\"\u003e\u003cspan class=\"citation-3183\"\u003e\u003c\/span\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"5,0,0\"\u003e\u003cspan class=\"citation-3183\"\u003eReduced Rotational Friction:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-3183 citation-end-3183\"\u003e Features high-grade stainless steel bearings that are smaller than previous generations.\u003csup data-turn-source-index=\"4\" class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e This reduces drag and saves valuable energy on long, high-speed rides.\u003c\/p\u003e\n\u003cp\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"5,1,0\"\u003eAdvanced Seal Technology:\u003c\/b\u003e The redesigned seals are tighter and more effective at keeping out water, mud, and road salt, ensuring your bearings stay smooth even in the worst conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_3867b89d4267af57-1460\" data-path-to-node=\"5,2,0\"\u003e\u003cspan class=\"citation-3182\"\u003e\u003c\/span\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"5,2,0\"\u003e\u003cspan class=\"citation-3182\"\u003eLightweight Design:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-3182\"\u003e Weighing in at approximately \u003c\/span\u003e\u003cb data-index-in-node=\"49\" data-path-to-node=\"5,2,0\"\u003e\u003cspan class=\"citation-3182\"\u003e65g\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-3182 citation-end-3182\"\u003e, it is one of the lightest threaded bottom brackets on the market, helping you shave grams from your high-end build.\u003csup data-turn-source-index=\"5\" class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,3,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"5,3,0\"\u003eProven Hollowtech II Interface:\u003c\/b\u003e Engineered specifically for 24mm spindles, providing a wider bearing stance for increased rigidity and power transfer compared to traditional square-taper systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,4,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"5,4,0\"\u003eQuiet \u0026amp; Durable:\u003c\/b\u003e The high-precision manufacturing and high-quality materials virtually eliminate the \"creaks\" often associated with lower-quality systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"6\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"6\"\u003eTechnical Specifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"7\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"7,1,0\"\u003eSeries:\u003c\/b\u003e DURA-ACE R9100\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,3,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"7,3,0\"\u003eShell Width:\u003c\/b\u003e 68mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,4,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"7,4,0\"\u003eBearing Type:\u003c\/b\u003e Stainless Steel (Small Ball)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,5,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"7,5,0\"\u003eInterface:\u003c\/b\u003e Hollowtech II (24mm Spindle)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,6,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"7,6,0\"\u003eWeight:\u003c\/b\u003e ~65g\u003c\/p\u003e\n\u003cp id=\"p-rc_3867b89d4267af57-1461\" data-path-to-node=\"7,7,0\"\u003e\u003cspan class=\"citation-3181\"\u003e\u003c\/span\u003e\u003cspan class=\"citation-3181 citation-end-3181\"\u003e\u003csup data-turn-source-index=\"6\" class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"8\"\u003e\n\u003cp data-path-to-node=\"9,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"9,0\"\u003eThe Alegro Perspective:\u003c\/b\u003e In the shop, we call this the \"the gold standard of bottom brackets.\" While many riders look for expensive ceramic upgrades, the steel bearings in the Dura Ace BB are so well-made that they often outperform ceramic options in terms of real-world longevity and consistency. It is the most reliable, best-performing part for the money in the entire Shimano catalog.\u003c\/p\u003e\n\u003cp data-path-to-node=\"10\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10\"\u003eMinimal Friction. Maximum Durability. Support your Power with Shimano Dura-Ace.\u003c\/b\u003e\u003c\/p\u003e","brand":"Shimano","offers":[{"title":"BB-R9100 (BSA68)","offer_id":48602041188575,"sku":"IBBR9100B","price":70.0,"currency_code":"CAD","in_stock":false},{"title":"SM-BB92-41B (PF86)","offer_id":48602041221343,"sku":"ISMBB9241B","price":70.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/5452\/3103\/files\/380439-01_1.jpg?v=1773520393","url":"https:\/\/alegrocycles.com\/products\/shimano-dura-ace-bb-r9100","provider":"Alegro Cycles","version":"1.0","type":"link"}