Like Ceramic Hybrid, Zero Ceramic use a combination of ceramic (Silicon Nitride – Si3n4) balls and steel races, except they are of higher Grade 3 quality. The races are also black oxide treated and ground toa mirror finish which prevents corrosion and provides near perfect efficiency and tolerances.
Key Features:
- Bearing Code: R6
- Dimensions: 3/8″ x 7/8″ x 9/32″
- ABEC: 5
- Grade: 3
- Seals: VV
- Grease: Kyodo Yushi PS-2
- Application: Hubs, Bottom Brackets
- Weight: 9.23g
Occasionally, without notice, manufacturers change product design and/or specifications.




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