Headset Bearing Fsa ABI 1-1/8" 36 x 45 degree Stainless Steel Angular Contact Bearing 30.2mm ID x 41mm OD part name: Headset Bearingpart make model: FsaABI 1-1/8" 36 x 45 degree Stainless Steel Angular Contact Bearing 30.2mm ID x 41mm ODbike part approved: