CeramicSpeed BB Alpha T47a 30 mm road bottom bracket cups

The CeramicSpeed Bottom bracket cups BB Alpha T47a 30 mm Road 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 moisture protection 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: RoadWeight: 216 gBottom bracket type: T47aCrank diameter: 30 mmCrank brand: SRAM, Easton, FSA, Rotor, Cannondale and Race Face