CeramicSpeed BB ALPHA BB ALPHA BB90 Trek

Trek BB90 direct bearing shells (bearing kit) bottom bracket from CeramicSpeed's BB ALPHA line, sold per crank interface and use (road, gravel, MTB). ceramicspeed.com US market price: $405 (bearing kit versions are $405, cup versions $449); US prices are set for the US market, not converted (for example BB ALPHA for BSA Shimano Road is $449 in the US store and EUR 389 in the EU store). The October 2025 launch month captures show no bearing kit prices (the list price here is the bearing kit), so msrp_usd is null. CeramicSpeed states a lifetime warranty and a lighter cup design than earlier generations. First year 2025: the store listings were published in October 2025 and CeramicSpeed's journal post introducing BB ALPHA is dated 2025-10-15.