The Muc-Off Bio Drivetrain Cleaner is the complete drivetrain cleaning solution that can either be poured into a chain cleaning device or sprayed directly to your chain rings, rear cassettes and derailleurs to clean your entire drivetrain within seconds. It&';s also fully biodegradable* and safe for metal, plastic, rubber and seals. You have never seen results like this. We can guarantee it! Why not try using Bio Drivetrain Cleaner with the Muc-Off X-3 Dirty Chain Machine to provide the deepest clean on even the dirtiest chains! FEATURES Biodegradable* Fast and effective grease cutting formula Removes all chain oil and wax residue Safely eliminates drive chain contaminants Ideal for use with chain cleaning devices Trigger spray included for easy application Deep cleans all drive chain areas in seconds