CeramicSpeed BB Alpha BSA Bottom Bracket Cups Shimano Gravel

The CeramicSpeed BB Alpha BSA Shimano Gravel bottom bracket cups feature hand-crafted hardened stainless-steel races with grade 3 silicon nitride ceramic balls, custom-designed seals and precision dust covers, providing up to 500% better protection against moisture while delivering ultra-low friction performance. The simplified spacer tube design and lighter cups ensure quick installation and a 10% weight reduction compared with previous generations. Features:Use: GravelWeight: 193 gBottom bracket type: BSA English Threaded 68 mmCrank diameter: 24 mmCrank brand: Shimano