Black Bearing Bearing B5 687 2rs

Specifically designed for cycling, this premium line is ideal for withstanding the most extreme conditions.

Each component (balls, rings, cages and grease) is precision manufactured and assembled.

A BlackBearing B5 bearing is synonymous with reliability, smoothness, durability...

It is the best selling bearing in the line and is 100% compatible as a replacement for yourorigine bearings.

Features :

SAE52100 chrome steel balls

• • <&gt;

SAE52100 chrome steel rings with ground raceway

Chrome plated steel cage

Reinforced "2RS" seals for better water and dust resistance <&gt;High quality grease