CB-4 Bio Chainbrite Degreaser - 16oz sensor One simple step gives you

One simple step gives you a thin

Non-drying film

shifters and derailleurs

6psi feels very different from 8 psi and most regular pumps start at 10psi

It is also extremely useful for drying wet parts

CB-4 Bio Chainbrite Degreaser - 16oz sensor One simple step gives youIt smells like oranges, but please do not drink this deceptively nice smelling concoction. 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. When used with a chain cleaner, CB 4 gets bicycle chains clean inside and out so they're good as new. Will not harm alloy, plastic, rubber, or