Muc-Off Dry Chain Lube is a durable deep penetrating Chain Lubricant and oil that’s formulated to hold up in extreme conditions. Muc-Off Dry Lube is a highly versatile dry weather chain oil that has state of the art penetrative qualities to ensure that the lube is driven deep into each chain link’s core. Muc-Off Dry Lube is biodegradable so it’s safe for you your bike and the planet.