The Muc-Off Bio Drivetrain Cleaner 500ml 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!*Only contents are biodegradable.Muc-Off Bio Drivetrain Cleaner 500ml FeaturesBiodegradable*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 seconds*Only contents are biodegradableHow To UseShake bottle vigorouslySpray all over the drive chain including cassette, chainrings, chain and derailleursLeave for up to 1 minute and agitate with a brush if required. (If you are using a chain cleaning device, unscrew the trigger sprayer and fill the device with the formula)After agitation thoroughly rinse off with water making sure all of the formula has been removedNow apply Bike Protect to disperse moisture before applying a chain lube