- 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.Features:ABEC: 5Grade: 3Seals: VVGrease: Kyodo Yushi PS-2Application: Hubs, Bottom Brackets
- 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.Features:ABEC: 5Grade: 3Seals: VVGrease: Kyodo Yushi PS-2Application: Hubs, Bottom Brackets