This is the 12x18mm Ceramic Nitride Pro Series Bearings / from Acer Racing. / / FEATURES: Diamond polished Ceramic Nitride Balls for low friction, low heat / build-up and smooth operation / Sealed with exclusive no contact seals for low friction and super / dirt resistance / Lightly oiled with a exclusive SIN synthetic oil in a special / process that creates an ionic bond for silky, frictionless action / New HSR bearing cage design is specifically engineered for high speed / and high stress RC racing applications / / INCLUDES: Two 12x18" Ceramic Nitride Pro Series Ball Bearings / / REQUIRES: Installation / / SPECS: Inside Diameter: .47" (12mm) / Outside Diameter: .70" (18mm) / Thickness: .15" (4mm) / / tlw 7/16/07 / ir/jxs
