Formula 100 Speed Clean Chain + Drivetrain Brush Deep-Clean Performance Dirt and grime can be difficult to remove from your chain, but with a purpose-built brush, you can easily get into tight spaces. The Formula 100 Speed Clean Chain + Drivetrain Brush is engineered for deep-cleaning performance and simple convenience. The dual-brush design lets you easily scrub away gunk from your entire drivetrain. The innovative 360 channel brush utilizes a dual-density bristle layout to get a deep clean of your chain both inside and out, while the long bristles let you clean all the hard-to-reach spots on your derailleur, cassette, and chainrings. This unique design makes Formula 100's drivetrain brush a versatile tool that will not only work for your bike, but can be used for your e Bikes, e Motos, and motorcycle drivetrains too. Features Easy-access chain brush head thoroughly cleans your chain quicker and easier Dual-durometer bristles for optimized cleaning Suitable for any bike, including e Bikes and even e Moto chains | Formula 100 | Speed Clean Chain + Drivetrain Brush 1 Piece