Park Tool RBS-5 Rebuild Brush Kit for CM-5, CM-5.2, CM-5.3 Cleaning Tool 

• CM-5, CM-5.2, and CM-5.3 Cyclone™ Chain Scrubber brushes are replaceable
• Includes the large side scrubbing brush, two roller brushes, and two wicking foam blocks
• Specially designed brushes for cleaning hard to reach areas on most bicycles.
• Includes large side scrubbing brush, two roller brushes, and two wicking foam blocks