Bike Hydration Pack Posted on August 2, 2012 by admin The bike hydration pack features one large main pocket with the water bladders; one front zippered pocket; padded adjustable shoulder straps; one top handle carry; This entry was posted in Bike Bag, Hiking backpacks, Hiking pack, Hydration Backpack, Hydration pack, Water Backpack and tagged Bike Hydration Pack, Hydration backpack, hydration pack, Water Backpack by admin. Bookmark the permalink.