Black Bearing Bearing B5 6703-rs

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


• SAE52100 chrome steel rings with ground raceway


• Chrome plated steel cage


• Reinforced "2RS" seals for better resistance to water and dust


• High quality grease