The secret to the C3 Ceramic Wet Chain Lube is its unique ceramic coating that provides incredible durability and long distance performance on all bicycle chains. The formulation in the chain oil uses Boron Nitride and Fluoro Polymers to ensure low friction for drive chain efficiency, high performance and durability. The waterproof qualities of Muc-Off C3 Ceramic Wet Chain Lube also mean that your drive chain will excel in the harshest of riding conditions. C3 Ceramic Wet Lube is packaged in an ergonomic bottle complete with pipette system for easy use and application. It's also 95% biodegradable and is ideal for Road, Cyclocross and MTB. Excels in wet, muddy conditions Contains Fluoro Polymers & Boron Nitrides for efficiency Creates Ceramic coating for chain protection Ultra long distance performance 300ml refill bottle is made from 50% PCR aluminum, it's the best choice for anyone who rides lots Just grab any old lube bottle, and refill it with your 300ml stash when you start to run low Specifications Application TypeBulkCase PackNoVolume10.1