Features Enter your model number to make sure this fits. A full-featured MTB pack with a lumbar design that gives you maximum stability during aggressive downhill rides Antidote Lumbar Reservoir features Quick Link System, easy open/close cap, lightweight fillport, dryer arms, center baffling and low-profile design Bike tool organizer roll, magnetic tube trail, helmet hook, stretch overflow storage, lumbar compression, dual waist belt pockets, armor carry Designed to carry helmet, armor, multi-tool, CO2 pump and cartridges, spare tube, extra layer, energy bar, phone, keys CamelBak Got Your Bak Guarantee: If we build it, we'll Bak it with our lifetime guarantee