ACB 6804 BO-bag - Headset bearing, 19x30x6.5 mm (45x45o) This size bearing is also known in the bike Industry by part number: HD408K
- 8101910135256

ACB 6805 CC BO-bag - 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
- 8101910135324

ACB 6805 SS-bx - Headset bearing, 27.15x38x6.5 mm (36x45o). This size bearing is also known in the bike Industry by these part numbers: HD320K, 428420, TH-373, MR055, BAA1159, MH-P09K
- 811780025486

ACB 6808 BOCC-bag - Headset bearing, 40 x 52 x 6.5 mm, (36x45o) This size bearing is also known in the bike Industry by these part numbers: HD 1404K, BAA0006K, MR-127, MR-196, MH-P25K, BAA1132, TH MR019
- 810191013556

ACB 6808 CC SS-bx - Headset bearing, 40x52x6.5 mm (36x45o) This size bearing is also known in the bike Industry by these part numbers: HD 1404K, BAA0006K, MR-127, MR-196, MH-P25K, BAA1132, TH MR019
- 8117800229356

ACB 6808 SS, 290413-bag - Headset bearing, 40x51x6.5 mm (36x36o) This size bearing is also known in the bike Industry by these part numbers: 290413, HD 1449, S417578, MR-006 S
- 8101910126346

BB B 541 SS - Headset bearing, 1-1/16x1-1/2"x/32"
- 811780232530

BB S68808 SP-bag - Headset bearing, 40x53x7 mm (45x45o) This size bearings also known in the bike Industry by these part numbers: HD 1448, 281819
- 8101910125356