Optimize your performance with the set of 53 bearing cases Black Bearing, compatible with many makes and models of headset!
Box Black Bearing Steering
Filling Expert
Compatible with integrated, semi-integrated and external headset bearings.
Frame diameter Inside diameter Outside diameter Height Angle Reference Black Bearing EXPERT
1" 27,15 38 6,5 36°/45° A1 2
1-1/8" 30,15 41 7 45°/45° B1 2
30,15 41 6,5 45°/45° B2 2
30,15 41 6,5 36°/45° B3 4
30,15 39 6,5 45°/45° B4 1
30,15 41,8 6,5 45°/45° B5 4
30,15 41,8 7 45°/45° B6 4
30,5 41,8 8 45°/45° B7 4
33,05 41,8 7,7 45°/45° B8 1
33,05 43,8 7 36°/45° B9 1
30,15 41 6,5/7,1 90°/45° B10 1
1-1/4" 34.1 46.8 7 45°/45° C1 0
34.1 46.9 7 45°/45° C2 2
37 49 7 45°/45° C3 1
35 47 8 45°/45° C4 1
32.8 41.8 6 45°/45° C5 1
32.4 43.8 7 45°/45° C6 1
37 46.9 7 45°/45° C7 1
1-1/2" 40 51,8 8 36°/45° D1 4
40 52 7 45°/45° D2 4
40 52 8 45°/45° D3 4
40 52 12 45°/45° D4 1
40 52 6,5 36°/45° D5 2
40 53 7 45°/45° D6 1
Cannondale specific 40 50,8 7,14 90°/45° E1 2
Cannondale: Lefty, faty.. 39.7 50.8 7.14 B543 Black Oxide 4
| Brand | Black Bearing | 
| Supplier reference | BB-BX-HBEXPERT | 
| Color | silver / black | 
| Main color | Silver | 
| Quantity per product | 53 | 
| Stability | Cycling |