Brand new CeramicSpeed 61806 (6806) single bearing.
Hand-built in Denmark these grade 3 Silicon Nitride ceramic bearings are super smooth and when matched with the hardened steel raceways the bearings provide an ultra-smooth run.
CeramicSpeed is well known for optimizing watt-efficiency and their quality build bearings deliver strong, lightweight, and highly precise ceramic power.
Specifications:
- Brand new
- Standard coated bearings
- Outer diameter: 42mm
- Inner diameter: 30mm
- Width: 7mm
- Made for bottom brackets









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