Editorial Review TRB RC Precision High Speed Ball Bearing Kit, 440C Stainless Steel ABEC 3 with Rubber Seals. Fits: Traxxas 1/10 Stampede 2WD ALL Versions Note: Due to Manufacture model updates always verify your model sizes for proper application. Features: Stainless Steel 440C ABEC 3 Races Stainless Steel 440C Balls Rubber Seals to Help Fight Dirt Great for Use in Applications that May Get Wet Includes: Dimensions and Quantity as follows: ID, OD, Width: 5x11x4mm Qty. 15pcs # SMR115-2RS 5x8x2.5mm Qty. 4pc # SMR85-2RS 19 Total Ball Bearings *Part # TRB-500072 *Part SKU# 440CStampedeALL2WD-500072