Often, thisbearing 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-SB-GE10||10 x 19 x 9 mm|
|BB-SB-GE15||15 x 26 x 12 mm|
|BB-SB-GE8||8 x 16 x 8 mm|