It’s the same great Bike Cleaner Concentrate now in a refillable bottle! You will now find our 500ml Bike Cleaner Concentrate in a bottle this HDPE bottle is more widely and easily recyclable which helps reduce the amount of plastic that finds its way into landfill the bottle is also re-useable. HIGHLIGHTS 500ml bottle= 2 litres of Bike Cleaner Quickly and safely cleans using Nano Technology Fully biodegradable alkaline-based formula that is free from acids solvents and CFCs *Only contents are biodegradable.