The Muc-Off Bio Drivetrain Cleaner is a 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.

• Please note that the 750ml Bio Drivetrain Cleaner does not come with a trigger