Often, this bearing is already mounted on your bike (OEM).
Each item (balls, rings, cages and greace) are manufactured and assembled with precision.
The Blackbearing bearing are 100% compatible to replace your original bearings.
EXEMPLES OF REFERENCES AVAILABLE
|BB-FB-6802-B3||15 x 24 / 26 x 5 / 7 mm|
|BB-FB-6806-B3||30 x 41/44 x 10 mm|