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!Biodegradable*Fast and effective grease cutting formulaRemoves all chain oil and wax residueSafely eliminates drive chain contaminantsIdeal for use with chain cleaning devicesTrigger spray included for easy applicationDeep cleans all drive chain areas in secondsPlease note: 750ml Drivetrain Cleaner does not come with a trigger.*Only contents are biodegradable.