{"product_id":"ceramicspeed-t47a-30mm-bottom-bracket-for-77mm-asymmetrical-shell-frames","title":"CeramicSpeed T47A 30mm Bottom Bracket for 77mm Asymmetrical Shell Frames","description":"\u003cp\u003eThe CeramicSpeed T47A 30mm Bottom Bracket is engineered for cyclists seeking the perfect blend of performance, durability, and ease of maintenance. Designed specifically for frames with a 77mm asymmetrical shell width, this bottom bracket offers a unique combination of an oversized interface on the drive side and a threaded interface for reliable installation and peace of mind. This hybrid design ensures compatibility with 24mm diameter spindle cranks, making it a versatile choice for a wide range of high-performance bicycles.\u003c\/p\u003e\n\n\u003cp\u003eFeaturing CeramicSpeed’s renowned hand-built bearings, this bottom bracket reduces friction dramatically, delivering exceptional efficiency and longevity. The precision dust covers provide a secure fit that protects the bearings from contaminants without compromising performance. Included with the bottom bracket are all the essential components for setup and maintenance, such as spacer tubes, CeramicSpeed All Round Grease, and installation accessories, ensuring a seamless upgrade experience.\u003c\/p\u003e\n\n\u003cp\u003eWith drag levels reduced by up to 75% compared to conventional bottom brackets, the T47A significantly boosts power transfer from crank to frame. The CeramicSpeed coated bearings further enhance performance by extending lifespan by 60% while cutting drag in half compared to the standard CeramicSpeed bearings. Whether you’re targeting everyday rides or competitive race days, the option to switch greases allows you to optimize your bottom bracket’s performance according to your riding conditions.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eEnhancing power transfer efficiency with ultra-low drag ceramic bearings.\u003c\/li\u003e\n  \u003cli\u003eProviding a reliable and secure threaded installation for asymmetrical 77mm shell frames.\u003c\/li\u003e\n  \u003cli\u003eProtecting bearings from dirt and moisture with precision dust covers.\u003c\/li\u003e\n  \u003cli\u003eOffering compatibility with 24mm spindle cranks across various bike models.\u003c\/li\u003e\n  \u003cli\u003eAllowing customization with different grease options for race or durability needs.\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 the specified 77mm asymmetrical bottom bracket shell width.\u003c\/li\u003e\n  \u003cli\u003eCranksets with spindle diameters other than 24mm.\u003c\/li\u003e\n  \u003cli\u003eRiders seeking a completely external bearing system without any frame integration.\u003c\/li\u003e\n  \u003cli\u003eApplications requiring non-threaded bottom bracket designs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs the CeramicSpeed T47A compatible with all frame types?\u003c\/strong\u003e\u003cbr\u003eThis bottom bracket is specifically designed for frames with a 77mm asymmetrical shell width and threaded T47 standard. It is not compatible with frames outside of these specifications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat tools do I need for installation?\u003c\/strong\u003e\u003cbr\u003eInstallation requires the CeramicSpeed Dual Socket Tool T45\/T47 with a 16-notch 52.2mm cup tool diameter to ensure a proper and secure fit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use different greases with this bottom bracket?\u003c\/strong\u003e\u003cbr\u003eYes, the bottom bracket comes pre-greased with CeramicSpeed All Round Grease, but you can switch to Race Day Grease for lower drag or Long Life Grease for enhanced durability depending on your riding conditions.\u003c\/p\u003e","brand":"CeramicSpeed","offers":[{"title":"Black","offer_id":45965251379375,"sku":"109651","price":233.74,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/109651.jpg?v=1768532774","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/ceramicspeed-t47a-30mm-bottom-bracket-for-77mm-asymmetrical-shell-frames","provider":"Swinnerton Cycles","version":"1.0","type":"link"}