{"product_id":"bottom-bracket-bsa-17tth","title":"CeramicSpeed Bottom Bracket - BSA","description":"\u003cp\u003e\u003cstrong\u003ePerformance \u0026amp; Use Case\u003c\/strong\u003e\u003cbr\u003e\nThe CeramicSpeed BSA Bottom Bracket is the premium upgrade for any BSA English-threaded frameset. CeramicSpeed grade 3 Silicon Nitride ceramic balls deliver markedly lower rolling friction than standard steel bearings - and they keep running smoothly for far longer. For road riders running a threaded frame, it is the upgrade that transforms drivetrain feel without changing the chainset.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Materials\u003c\/strong\u003e\u003cbr\u003e\nEach cup is machined from high-grade anodised aluminium and threaded for direct installation into the BSA shell, with grade 3 Silicon Nitride ceramic balls inside hardened races. Coated bearing options add CeramicSpeed's 3-micron metallic surface treatment - races harder than steel, with 60% longer life and 50% lower friction than uncoated.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003cbr\u003e\nFits any BSA English-threaded 68mm frameset. Three spindle-compatibility options cover the major road crankset standards: Shimano Hollowtech II (24mm), SRAM DUB (28.99mm) and Campagnolo Ultra-Torque (25mm). Coated and uncoated bearing options are offered for each spindle type. Select the variant that matches your crankset and your service preference.\u003c\/p\u003e","brand":"CeramicSpeed","offers":[{"title":"24mm - Shimano Hollowtech II \/ Coated \/ Black","offer_id":54630838075738,"sku":"687173","price":350.0,"currency_code":"GBP","in_stock":false},{"title":"28.99mm - SRAM DUB \/ Coated \/ Black","offer_id":54293039382874,"sku":"1135136","price":350.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0956\/0827\/5290\/files\/CeramicSpeed-External-25mm-Bottom-Bracket-Cups-For-Campagnolo-Ultra-Torque-Black_26aae5cd-4b66-4e08-9fda-32f093127ae0.jpg?v=1787576917","url":"https:\/\/checkout.sigmasports.com\/products\/bottom-bracket-bsa-17tth","provider":"Sigma Sports","version":"1.0","type":"link"}