3Racing #3R/3RB-MR85-ZZ/2 Double Metal Shield Bearing 5 X 8 X 2.5 mm (2 Pcs) for most RC cars Black Mask  Improved 2018 Formula Black Mask  Improved 2018 Formula Black Mask  Improved 2018 Formula Black Mask  Improved 2018 Formula Black Mask  Improved 2018 Formula