Editorial Review TRB RC Precision High Speed Ball Bearing Kit, Chrome Steel with Rubber Seals.Fits: ECX Torment 2WDNote: Due to Manufacture model updates always verify your model sizes for proper application.Features:*Chromium Steel Precision Races*Chrome Steel Balls*Rubber Seals to Help Fight Dirt *Great Quality & Value For Applications Includes:Dimensions and Quantity as follows: ID, OD, Width:10x15x4mm Qty. 2pcs 6700-2RS5x10x4mm Qty. 13pcs MR105-2RS15 Total Ball Bearings*Part # TRB-500049*Part SKU# ECXTorment2WD-TRB-500049