A dirty drivetrain causes poor shifting and unnecessary wear to expensive parts. The Park Tool Chain Gang Cleaning System contains everything needed to quickly and easily clean the chain, freewheel cogs, and chainrings. The CG-2.2 works on all derailleur bikes and many 3-speed and coaster brake bikes.

• Includes: (1) CM-5.2 Chain Scrubber, (1) GSC-1 GearClean Brush, (1) 8oz. bottle of CB-2 Citrus Chain Brite fluid
• Compatible with all chain sizes that fit a derailleur
• Prevents poor shifting and excess wear from dirty components
• Also works with many 3-speed and coaster brake bikes
• Complete chain-maintenance tool kit