Muc-Off Dry Chain Lube is a durable, deep-penetrating Chain Lubricant and oil thats 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 links core. Muc-Off Dry Lube is biodegradable, so its safe for you, your bike, and the planet.