Clean even the dirtiest chains with this fast acting, easy to use biodegradable formula.Rapidly removes dirt, oil and grime Safe on all chain typesWater soluble formula for easy rinsingCuts through grease to reduce frictionEliminates chain contaminants safelyBiodegradableCompatible with Muc-Off Bio Chain DocIdeal for Road, MTB and CyclocrossMuc-Off High Performance Biodegradable Chain Cleaner quickly and safely removes heavy chain grime using advanced solvents. Its unique formula breaks down oil and grease to leave the entire chain sparkling clean and contaminant free. Directions for use: Step 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.