Bones Ceramic Reds Bearings Features Features Grade 5, Silicone Nitride, Hot Isostatically pressed ceramic balls. Higher quality steel races, and a superior surface finish. Single, non-contact, removable rubber shield for easy cleaning and less friction. High speed Nylon ball retainer for greater strength and speed. Pre-lubricated with Speed Cream(TM) racing lubricant Skate Rated(TM) clearances, tolerances, materials and lubricant provide the best performance and durab |
