{"product_id":"ceramicspeed-t47a-sram-dub-28-99mm-coated-bottom-bracket-for-77mm-shell-frames","title":"CeramicSpeed T47A SRAM DUB 28.99mm Coated Bottom Bracket for 77mm Shell Frames","description":"\u003cp\u003eThe \u003cstrong\u003eCeramicSpeed T47A SRAM DUB 28.99mm Coated Bottom Bracket\u003c\/strong\u003e is engineered to elevate your bike’s performance with precision and durability. Designed specifically for frames with an asymmetrical 77mm shell, this bottom bracket combines the reliability of a threaded interface with the advantages of an oversized bearing setup. The non-drive side bearing sits securely within the frame, while the drive side bearing is positioned externally, ensuring optimal power transfer and stability.\u003c\/p\u003e\n\n\u003cp\u003eEach bottom bracket is equipped with CeramicSpeed’s hand-built, coated bearings that deliver exceptional smoothness and longevity. The precision dust covers provide a snug fit and fully protect the bearing face from contaminants, allowing for consistent, high-efficiency operation. Included in the package are two cups with bearings, a two-part spacer tube, all-round grease, and spacers for precise adjustments, making installation straightforward and reliable.\u003c\/p\u003e\n\n\u003cp\u003eThis bottom bracket’s advanced coating technology reduces drag by 50% compared to standard CeramicSpeed bearings, while also extending the lifespan by 60%. With drag values as low as 0.3-0.4 watts per set, it significantly enhances drivetrain efficiency, helping you maintain speed with less effort. Whether you’re a competitive cyclist or a passionate enthusiast, this component ensures smooth, durable, and efficient performance for your SRAM DUB crankset.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eIncreasing drivetrain efficiency with ultra-low drag bearings\u003c\/li\u003e\n  \u003cli\u003eProviding a secure, threaded interface that reduces maintenance worries\u003c\/li\u003e\n  \u003cli\u003eEnhancing durability with coated bearings that last longer even in demanding conditions\u003c\/li\u003e\n  \u003cli\u003eOffering compatibility with 77mm asymmetrical shell frames and 24mm spindle cranks\u003c\/li\u003e\n  \u003cli\u003eProtecting bearings effectively with precision dust covers\u003c\/li\u003e\n  \u003cli\u003eFacilitating easy installation and adjustment thanks to included spacers and grease\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat It’s NOT Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFrames that do not have a 77mm asymmetrical T47A shell\u003c\/li\u003e\n  \u003cli\u003eCranksets with spindle diameters other than 24mm\u003c\/li\u003e\n  \u003cli\u003eUsers seeking a press-fit bottom bracket solution\u003c\/li\u003e\n  \u003cli\u003eApplications requiring non-threaded bottom bracket standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs this bottom bracket compatible with all SRAM DUB cranksets?\u003c\/strong\u003e\u003cbr\u003eIt is compatible with SRAM DUB cranksets designed for a 24mm spindle and requiring a T47A 77mm asymmetrical shell bottom bracket.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat maintenance does the CeramicSpeed coating require?\u003c\/strong\u003e\u003cbr\u003eThe coated bearings come pre-greased with All Round Grease, offering excellent protection and low drag. For race conditions, you can switch to Race Day Grease for even lower drag, or Long Life Grease for enhanced durability in harsh environments.\u003c\/p\u003e","brand":"CeramicSpeed","offers":[{"title":"Black","offer_id":45965251674287,"sku":"109650","price":301.74,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/109650.jpg?v=1768532774","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/ceramicspeed-t47a-sram-dub-28-99mm-coated-bottom-bracket-for-77mm-shell-frames","provider":"Swinnerton Cycles","version":"1.0","type":"link"}