Motorex Bike Cleaning BrushesThree different multi functional brushes to choose from The Soft cleaning brush can be used as a univeral do it all brush The Hard cleaning brush can be used to clean rims and drivetrain components The Cassette brush is used for cassettes and chains Model Cassette Cleaning Brush, Hard Cleaning Brush, Soft Cleaning Brush Description Clean Rims and Drivetrain Components, Cleans Cassettes and Chains, Universal Cleaning Brush