BLACK BEARING BLACK BEARING B3 Bearing - ZNZQ4UZ - UB-6802-B3

ZNZQ4UZ
Especially for cycling, this range with an intermediate quality is perfect to resist to the constraints all roads
Mostly, this bearing is already mounted on your bike (OEM)
Each component (balls, rings, cages and grease) are manufactured and assembled with precision
The Black Bearing B3 bearing match 100% to replace your original bearings
Chrome steelballs SAE52100 abec 3
Chrome steel rings SAE52100
Chrome steel cage
« 2RS » seals wet and dust resistance
High quality grease