Bicycle Headset Bearing Sizes

by Biju K on October 22, 2021

Here's a list of popular and common headset bearing sizes for modern bicycles.
Cycling Boutique is the best place to buy bicycle headset bearings in India and we have the widest range of best in class bicycle bearings to buy.


Model No.  ID OD Width
6804 30.2 41 6.5
1501 27.2 38.1 6.3
1508 30.2 41 6.3
1516 30.2 41.8 6.3
1518 30.2 41.8 8
1528 31.4 44.8 6.3
1530 30.2 43 7.2
1538 30.2 41.9 6.3
1545 30.2 43 7.7
1546 30.2 48 7.7
1548 31.4 44.8 6.3
1652 34 46.8 7
1708 40 50.8 7
1718 40 51.8 8
1720 40 52 7
1728 40 52 8
1738 37 49 7
BB-HB-A1 27.15 38 6.5
BB-HB-B1 30.15 41 7
BB-HB-B10 30.15 41 6.5 / 7.1
BB-HB-B11 30.15 41 7.7
BB-HB-B12 30.15 41.5 6.5
BB-HB-B13 30.15 41.8 7
BB-HB-B14 30.5 41.8 8
BB-HB-B15 30.05 42 7
BB-HB-B3 30.15 41 6.5
BB-HB-B4 30.15 39 6.5
BB-HB-B5 30.15 41.8 6.5
BB-HB-B543 39.7 50.8 7.14
BB-HB-B6 30.15 41.8 7
BB-HB-B8 30.5 41.8 7.7
BB-HB-C10 37 49 6.5
BB-HB-C11 (canyon bike) 33 44 6
BB-HB-C12 (canyon bike) 35 44 6.5
BB-HB-C13 33.05 43.8 7
BB-HB-C14 36.8 45.8 6.5
BB-HB-C15 37 48 7
BB-HB-C3 37 49 7
BB-HB-C4 35 47 8
BB-HB-C5 32.8 41.8 6
BB-HB-C6 32.4 43.8 7
BB-HB-C7 37 46.9 7
BB-HB-C8 35 47 7
BB-HB-C9 34.1 46 7
BB-HB-D1 40 51.8 8
BB-HB-D10 40 51.9 7
BB-HB-D12 (new) 40 51.5 7
BB-HB-D13 (new) 40 51.8 8
BB-HB-D14 (new) 40 52 7
BB-HB-D2 40 52 7
BB-HB-D3 40 52 8
BB-HB-D4 40 52 12
BB-HB-D5 40 52 6.5
BB-HB-D7 40 51 7
BB-HB-D8 40 51 6.5
BB-HB-E1 40 50.8 7.14
Retainer Ball Bearings - 5/32" x 20 - 1"       
Retainer Ball Bearings - 5/32" x 22 - 1 - 1/8"      
Retainer Ball Bearings - 5/32" x 22 - 1 -1/4"       

Just search our online with the bearing ID, size or keywords to find the best matching headset bearings for your bicycle.

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