Product Description Specifications:Function:cleaningTool Type:BrushCompatibility:Cassettes, chainrings, rear derailleursTechnical Information:Material:CompositeHandle Material:CompositeFeatures:double-sided brush specially designed for cleaning hard-to-reach areas of the bicycle drivetrainlong, stiff, narrow bristles perfect for cleaning chainrings and modern cassettes with narrow spacingend with curved profile ideal for removing dirt from derailleur pulleysManufacturer Number:GSC-3 Contents:1 x ParkTool GSC-3 cleaning brush Manufacturer: Park Tool Company 1185 Eagle Lake Rd Shoreview MN 55126 USA info@parktool.com Distributor: GROFA Action Sports GmbH Otto-Hahn-Straße 17 65520 Bad Camberg Germany info@grofa.com