Cycle Care Formulas Wheel and Engine Brush 88013 This soft bristle brush will go places that you can see but you cant touch It will safely bend and curve around anything you need to reach; excellent for use on all types of wheels Specifically designed to use with Safeclean, Silver and Black Motor Cleaner, on all generations of Silver and Black motors/engines and related components The road grime stains will rinse away and you will have your clean motor back