Description
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.
- Bearing Code: 6902
- Dimensions: 15mm x 28mm x 7mm
- ABEC: 5
- Grade: 3
- Seals: VV
- Grease: Kyodo Yushi PS-2
- Application: Hubs, Bottom Brackets
- Weight: 13.87g
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