Muc off bike care essentials kit the muc off bike care essentials kit contains all the basic elements you need to be able to look after your bicycle the kit contains the following awesome muc off products nano tech bike cleaner muc off biodegradable bike cleaner has an incredibly effective cleaning formula containing nano technology that also cares for your bikes delicate finishes it contains no harmful acids cfcs or solvents and is fully biodegradable bike protect preserve and freshen