Reaching the deepest and darkest parts of your drivetrain can be a challenge without the right tool. That’s why Muc-Off developed the high-quality Drivetrain Brush. Boasting a mean, all-black finish, this is the perfect bit of equipment to apply the Bio Drivetrain Cleaner to your chain, cassette, mechanics and sprockets in no time. Features High-quality nylon bristles. Moulded silicon insets for a comfortable and steady grip. Matt black finish. Paintbrush-like shape allows for easy application of cleaning product. NoteTo maintain performance of all brushes avoid use with boiling water and on hot parts.