The muc off drivetrain brush put that old paintbrush away ndash therersquos a new boy in town reaching the deepest and darkest parts of your drivetrain can be a challenge without the right tool thatrsquos why we developed our high quality drivetrain brush boasting a mean all black finish this is the perfect bit of equipment to apply our bio drivetrain cleaner to your chain cassette mechanics and sprockets in no time muc off drivetrain brush features high quality nylo