XRAY 931218 Ball-bearing 12x18x4 Steel Sealed Oil 2 Metal Bearings
Top-notch ball-bearings ID x OD x degree (mm) = 12x18x4mm. Group of 2 pieces. These ball-bearings are degreased and very carefully oiled with AeroShell Fluid 12 oil for maximum smoothness, stamina, most readily useful limit and maximum performance. Fits RX8