COSMIC PRO CARBON EXALITH HYBRID BEARING KIT FRONT AND REAR AXLE + FH
COSMIC PRO CARBON EXALITH HYBRID BEARING REBUILD KIT FRONT AND REAR AXLE + FH WHEELS & FREEHUB (ID360 FREEHUB). The balls are high quality Si3N4 (silicon nitride) P5 grade and nylon races, filled with Shell Alvania RLQ2 grease.