The Muc-Off Drivetrain Brush is the ideal choice for cleaning hard to reach areas of your drivetrain. This can include in between sprockets, around the derailleur / jockey wheels, and between chainrings and chain links.High-quality nylon bristlesMoulded silicon insets for a comfortable and steady gripMatt black finishPaintbrush-like shape allows for easy application of cleaning productThe Muc-Off Drivetrain Brush features silicone inserts, giving you a comfortable and steady grip and the long durable nylon bristles and paintbrush shape makes applying cleaning products easier.NB: To maintain performance of all brushes avoid use with boiling water and on hot parts. Muc-Off recommend using warm water and allowing all hot parts to cool before use.