The muc off detailing brush is ideal for reaching hard to shift dirt on sprockets hubs and other tight areas such as suspension mounts or fork crowns this is a fantastic cleaning brush will help you keep your bike in tip top condition the all new design of this muc off brush has an impact resistant dual density handle that won39t slip in extreme conditions adding to the already immense durability levels are nylon bristles that can withstand some serious cleaning rubberized impact zones