Pedros chain pig machine kit designed for professional use with larger bristles to clean better and outlast the competitionthe upper and lower body are made from superstrong chemical and impact resistant plastic designed to last for years of useworks with all multi speed bikes and most single speed bikesinnovative quick lock closure and drag free derailleur hook for easy use and hands free operationthe stage one brushes effectively pull degreaser up from the reservoir and onto the chainthe ch