Reaching the dirt in the deepest parts of the cassette can be a tough job without the right tools. That's why Muc-Off introduces the high-quality Drivetrain Brush. With its tough look, it's the perfect tool to clean your chain, cassette, and sprockets in no time. With a brush-like shape, the Drivetrain Brush with its long nylon bristles can easily reach deep-seated dirt between the chain and sprockets. High-quality construction Specially shaped silicone inserts provide a comfortable grip All-black finish