David G.
Former professional team mechanic
The BlackBearing B5 699-2RS bearing was developed for cycling. It is a high-performance steel bearing, where each component is precision-assembled with strict quality control. You benefit from reliable performance, optimised smoothness and improved efficiency compared to a standard steel bearing. It can be used on all parts of a bicycle requiring a 9x20x6 mm bearing.
Features
- High-quality steel balls, "Abec 5" label - Steel cage - High-quality lubricant - Double-lip 2RS labyrinth seals: low friction, water and dust resistant- Ground raceways for improved smoothness and longer service life - Internal diameter: 9 mm - External diameter: 20 mm - Thickness: 6 mm - Reference: 699-2RS
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