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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 carbon fiber parts so it's safe to use for cleaning cassettes chainrings pulleys or any other component that accumulates muck and grime.Use CB-4 full strength do not dilute with water. Cover parts in solvent and scrub using a brushWon't harm alloy plastic or rubber parts Application Type Drip Case Pack Yes Petroleum Based No keyword search park consumer tool
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🇺🇸 Ship from USA · On Agora since 2026
$20.12