Muc off drivetrain cleanerthe muc off drivetrain cleaner is the complete drive chain cleaning solution pour into a chain cleaning device or apply directly to the chain rings rear cassettes and derailleurs to clean the entire drivetrain within seconds its also biodegradable and safe on metal plastic rubber and seals featuressize 750mlall over chain cleaner that cuts through dirt and grime with easespray on agitate and rinse offfully biodegradable alkaline basedsafe on carbon fibre pain