Park Tool CB-4 Bio Chain Brite. Bio Chain Brite Bicycle Chain and Component Cleaning Fluid is a 100% biodegradable natural plant-based degreaser formulated for use in the CM-5.2 Cyclone Chain Scrubber.
Use CB-4 full strength do not dilute with water. Cover parts in solvent and scrub using a brush
Won't harm alloy plastic or rubber parts
- TECH SPECS
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