BKS-6054 – BSA Thread-In, Angular Contact, stainless steel Bottom Bracket for 30mm Cranksets (spindle length of 104mm or more) – Graphite – https://cycling.endurobearings.com/products/bks-6054-bsa-thread-in-angular-contact-stainless-steel-bottom-bracket-for-30mm-cranksets-spindle-length-of-104mm-or-more