Why Oumers: Oumers INC. mainly engaged in the development and export of products with high quality, stylish design. Oumers has always adhered to ” High quality products , good customer experience” business purposes. Committed to providing you with high-quality products and quality services. Features: A Dirty Bike Assembly Parts Cause Poor Shifting and Unnecessary Wear to Expensive Parts. Our Bicycle Clean Brush Kit Contains Everything Needed to Quickly and Easily Clean the Chain, Freewheel Cogs, Chain Rings, Crank, Tire ,Sprocket, Cassette and so on. Package include: 6pcs Cleaning Tools–Tire Scrubber, Tarpered Detailing Brush, Wheel Brush, Sprocket Scraper, Sprocket Brush, Bike clean mitt Usage: for all kinds of bikes–Mountain Bike, Road Bike, City Bike, Hybrid Bike, BMX Bike, Folding Bike and so on Notice: Further if you have any questions or problems, please contact us directly for help by e-mail at anytime. we will do our best to help until it is fully resolved.