BLACK BEARING B3 Bearing 12x21x8 mm

Features:

• 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.
• Chrome steel rings.
• Chrome steel cage.
• « 2RS » seals wet and dust resistance.
• High quality grease.

Dimensions:

• Inner diameter 12 mm.
• Outer diameter 21 mm.
• Width 8 mm.