{"product_id":"bb-alpha-bottom-bracket-bb30-17too","title":"CeramicSpeed BB Alpha Bottom Bracket - BB30","description":"\u003cp\u003e\u003cstrong\u003ePerformance \u0026amp; Use Case\u003c\/strong\u003e\u003cbr\u003e\nBB Alpha is designed to outlast the frame it is fitted to. Where standard bottom brackets wear out within a season under contamination from water and grit, BB Alpha is engineered for long-term durability without sacrificing the low friction that ceramic bearings deliver. For road, tri and track riders building a long-life road bike, it is the bottom bracket that won't be the weak link.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Materials\u003c\/strong\u003e\u003cbr\u003e\nEach BB Alpha unit features hardened stainless steel races hand-built with grade 3 Silicon Nitride ceramic balls. Custom-engineered seals and precision dust covers together provide up to 500% better moisture protection than standard bottom brackets, while still maintaining ultra-low friction. A simplified spacer tube design and lighter cups give a 10% weight saving over previous BB Alpha generations and make installation quicker.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003cbr\u003e\nFits any frameset with a BB30 press-fit shell - 68mm width, 42mm bore. Two spindle-compatibility options cover the major road crankset standards: Shimano Hollowtech II (24mm) and SRAM DUB (28.99mm). Select the variant that matches your existing crankset. All BB Alpha models are backed by CeramicSpeed's lifetime warranty.\u003c\/p\u003e","brand":"CeramicSpeed","offers":[{"title":"24mm - Shimano Hollowtech II \/ Black","offer_id":54293067039066,"sku":"1976277","price":359.0,"currency_code":"GBP","in_stock":true},{"title":"28.99mm - SRAM DUB \/ Black","offer_id":54293067071834,"sku":"1988979","price":359.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0956\/0827\/5290\/files\/CeramicSpeed-BB-Alpha-for-BB30-SRAM-DUB-Road-Ceramic-Bearing-Bottom-Bracket-Black.jpg?v=1781186715","url":"https:\/\/checkout.sigmasports.com\/products\/bb-alpha-bottom-bracket-bb30-17too","provider":"Sigma Sports","version":"1.0","type":"link"}