10 PACK 5x8x2.5mm Metal Shielded Ball Bearings MR85ZZ - Apex RC Products #1911M 1 Package includes TEN (10) Bearings Direct OEM Replacement for Traxxas, HPI, Associated, Tamiya, Kyosho, and many other popular vehicles Metal seals keep dirt out! Precision steel balls Each Bearing Measures: Inner Diameter: 5mm / Outer Diameter: 8mm / Width: 2.5mm