The Muc-Off Bike Cleaner Concentrate has arrived with a handy refill pouch! It s the same award-winning cleaner but in concentrated form. Just one 500ml pouch will make two litre bottles of Nano Tech Bike Cleaner and a 1 litre bottle will make 4 litres.Highly cost effectiveQuickly and safely cleans using Nano Technology500ml pouch makes 2 litres of Muc-Off Nano Tech Bike Cleaner1 litre bottle makes 4 litres of Muc-Off Nano Tech Bike CleanerPowerful degreaser in concentrate formUses 89% less packaging that two 1 Ltr Muc-Off bottles*BiodegradableSafe on all surfaces including carbon fibre & anodised metalWill not harm seals, brake pads or rotors*Only contents are biodegradable.Re-using is even better for the environment than recycling, and that s what makes the Bike Cleaner Concentrate so amazing. Each Bike Cleaner Concentrate pouch uses 89% less packaging than the equivalent 2 bottles of 1 litre Muc-Off Bike Cleaner. So, don t chuck out your old Bike Cleaner bottle; save it and save the