Park Tool CB-4 is a 100% biodegradable, natural, plant-based degreaser formulated for use in the CM-5.3 Cyclone Chain Scrubber, CM-25 Professional Chain Scrubber, or with a scrubbing brush as a general purpose degreaser.
The Original Silicone Bike Polish and Cleaner
Makes your bike shine like new and keeps it that way.
Biodegradable formula cleans, polishes, and protects in one step.
Also great for dropper posts, suspension, and for seating tire beads.
