{"title":"Shimano Road Bottom Bracket","description":"","products":[{"product_id":"bb-r9100-dura-ace-bottom-bracket","title":"BB-R9100 Dura-Ace Bottom Bracket","description":"\u003csection class=\"product-description\"\u003e\n\u003ch2\u003eShimano DURA-ACE BB-R9100 Bottom Bracket\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eSilky-smooth efficiency at the heart of your drivetrain.\u003c\/strong\u003e\u003cbr\u003eThe Shimano DURA-ACE BB-R9100 bottom bracket is engineered to maximize power transfer while minimizing friction and weight. Designed specifically for DURA-ACE R9100-series cranksets, it delivers the reliability and precision expected at the highest level of road racing.\u003c\/p\u003e\n\u003cp\u003eFeaturing high-quality sealed bearings and a threaded interface, BB-R9100 ensures quiet operation, long service life, and consistent performance in all riding conditions—ideal for riders who demand durability without compromise.\u003c\/p\u003e\n\u003ch3\u003eKey Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRace-Proven Bearings:\u003c\/strong\u003e Low-friction sealed bearings for smooth, efficient power transfer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThreaded Reliability:\u003c\/strong\u003e Proven threaded design for quiet operation and easy serviceability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight Construction:\u003c\/strong\u003e Just 65g for uncompromising performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDURA-ACE Integration:\u003c\/strong\u003e Optimized for R9100-series cranksets\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Standards:\u003c\/strong\u003e Available in English and Italian thread options\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e DURA-ACE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGeneration:\u003c\/strong\u003e R9100\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBottom Bracket Type:\u003c\/strong\u003e Threaded (Thread In)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Standards:\u003c\/strong\u003e English (BSA), Italian\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShell Width:\u003c\/strong\u003e 68mm (English), 70mm (Italian)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrank Interface:\u003c\/strong\u003e Threaded\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCup Diameter:\u003c\/strong\u003e N\/A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpindle Length:\u003c\/strong\u003e N\/A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 65.0g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy DURA-ACE?\u003c\/h3\u003e\n\u003cp\u003eDURA-ACE components are designed with a singular goal: absolute performance. The BB-R9100 bottom bracket provides the smooth, dependable foundation your drivetrain needs to perform flawlessly—ride after ride, season after season.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePure efficiency. Zero compromise.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/section\u003e","brand":"Shimano","offers":[{"title":"68mm","offer_id":49896754118849,"sku":null,"price":52.0,"currency_code":"USD","in_stock":true},{"title":"70mm","offer_id":49896754151617,"sku":null,"price":52.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/6872\/1089\/files\/837e193efc94f18ae7b592c885d88e86d163e665.jpg?v=1768075208"}],"url":"https:\/\/www.categoryonecycles.com\/collections\/shimano-road-bottom-bracket.oembed","provider":"Category One Cycles","version":"1.0","type":"link"}