ceramicspeed-bsa24-mtb-bottom-bracket-english-73mm-24mm-spindle-coated-bearings-silver
ceramicspeed-bsa24-mtb-bottom-bracket-english-73mm-24mm-spindle-coated-bearings-silver, The CeramicSpeed BSA (English) bottom bracket offers bearings with extremely low friction, improved power transfer, and a service life that far exceeds traditional steel bearings.