Headset bearing, 30.2x41x6.5 mm (36x45o). This size bearing is also known in the bike Industry by these part numbers: 27287-1046-004, HSS0130K, TH-873E, MR-122.
Headset bearing, 27.15x38x6.5 mm (36x45o) This size bearing is also known in the bike Industry by these part numbers: HD 1320K, 428420, TH-373, MR055, BAA1159, MH-P09K
Headset bearing, 30.5x41.8x6.5 mm (45x45o) This size bearing is also known in the bike Industry by these part numbers: MR042, 870E, MR121, MR070, MR084, MR116, TH-870E, MH-P08
