3x Racing Quality Go Kart 40mmx80 Bearings SB208ZZ C3 With High Speed PS2 Grease Each bearing has free spinning ZZ non-contact shields and high speed PS2 grease PS2 high precision grease has high grade synthetic oil as a base, as well as thinners and special additives It is excellent wear and corrosion resistant with service life characteristics This product is suitable for high-speed, low temperature machinery use Perfect for racing! ___________________________________________________________ Fits: Kart with 40mm Axle ID: (mm): 40mm OD: (mm): 80mm All parts need to be fitted by a licensed Technician Premium bearings made from premium alloy steel to provide superior fatigue life and reliability Precise heat treatment, dimensions and surface finish contributes to reliable bearing performance Each component undergoes ACCOR's rigorous testing to ensure quality standards