Muc-Off High Performance Biodegradable Chain Cleaner has been specifically formulated to quickly and safely remove heavy chain grime using advanced solvents. Its unique formula breaks down oil and grease to leave the entire chain sparkling clean and contaminant free. Clean even the dirtiest chains with our fast acting, easy to use Bio formula! Key FeaturesRapidly removes dirt, oil and grime Safe on all chain types Water soluble formula for easy rinsing Cuts through grease to reduce friction Eliminates chain contaminants safely Biodegradable* Compatible with Muc-Off Bio Chain Doc Ideal for Road, MTB and Cyclocross Directions for useStep 1 - Thoroughly rinse drive chain area before application. Step 2 - Apply Bio Chain Cleaner to drive chain area. Agitate grime with a brush or sponge. Step 3 - Rinse entire drive chain area with fresh, clean water. Tools and Cleaners Buying Guide