BlackBearing B7 1"1/8 30.5x41.8x8 mm 45x45° headset bearing
30.5x41.8x8 mm 45x45°
€16.95
Price : €17.70 (12 reviews)
Our opinion
David G.
Former professional team mechanic
The BlackBearing B5 R6-2RS 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 bearing with dimensions of 9.525x22.225x7.14 mm.
Features
- High-quality steel balls, "Abec 5" label
- Steel cage
- Superior quality lubricant
- Double-lip 2RS labyrinth seals: low friction, water and dust resistant
- Ground raceways for improved smoothness and longer life
- Internal diameter: 9.525 mm
- External diameter: 22.225 mm
- Thickness: 7.14 mm
- Reference: R6-2RS
- Steel cage
- Superior quality lubricant
- Double-lip 2RS labyrinth seals: low friction, water and dust resistant
- Ground raceways for improved smoothness and longer life
- Internal diameter: 9.525 mm
- External diameter: 22.225 mm
- Thickness: 7.14 mm
- Reference: R6-2RS
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