Introducing the camelbak ratchet hydration pack your ideal companion for hot sweaty rides the ratchet is the lightest camelbak bike pack with the most hydration capacityits 3l crux reservoir will fuel rides of 3 hours with a small zippered pocket for essentials and a stretchy overflow compartment for layers this pack gives you an efficient way of hauling the bare necessities for a long ride whether youre on pavement trail or gravel