Muc-Off Bio Wet Bike Chain Lube - 300ml Aluminum Refill Bottle. Muc-Off Wet Chain Lube is an ultra durable long distance bicycle chain lubricant and oil thats been specifically formulated to excel over long distances in wet or muddy conditions. This formula has been derived from natural ingredients and made completely from renewable sources. Muc-Off Wet Chain Lube penetrates deep into your chain links core to provide long lasting lubrication and total protection. Extreme Pressure Additives coat every part of the link to provide a smooth gear change and an efficient drive chain.Ensures smooth gear shiftsReduces friction and energy consumptionRepels water for chain and component protectionExcels in wet muddy riding conditionsExtreme pressure additives for increased efficiencyVegetable oil based formula for eco protectionBiodegradablePipette system for easy applicationCan be applied to chain shifters cables and derailleurs