Portable Bike Chain Quick Clean Tool Brushes. Quickly and effectively removes any dirt from the chain. Cleans chains quickly and easily. Works with all speed bikes and some single speed bikes. Includes an additional reservoir for more efficient cleaning of the chain from dust and dirt particles. Effectively retains dirt in tanks during cleaning. Easy to manage and use. Form part: Chain cleaner, soft brush, sponge, half sickle hook, flywheel cleaning brush Features: simple structure, easy to use, the clean effect is good, durable, multi-function.