http://shop.advanceautoparts.com/webapp/wcs/stores/servlet/product_x_21298825-P_x_x?cm_mmc=CSE-_-Google-_-VALUE3-_-VALUE4&ci_src=14110944&ci_sku=21298825 ^^This chain brush is awesome. I pop up my rear tire and let it idle in first. All I have to do is hold the brush in place and spray some brake cleaner or something in front of it. It turned from grody black to shiny new in less than a minute with no damage to the brush.