Camelbak's redesigned lumbar specific hydration packs require their own dedicated reservoir style. The Crux series of packs use the Crux Lumbar 3L Reservoir, so if you need to replace yours, this is the model for your pack. The lumbar design lowers the center of gravity, keeping weight positioned low on your back, which translates to better stability in the saddle and on the trail.

Carrying 3 liters of water means carrying 6.5lbs of weight when full. The Crux Lumbar Reservoir with Quicklink™ System distributes that water low and wide onto the hips, with a shape that still ensures you can drain the contents solely from drinking during activity. With a faster (20% more water per sip) and more easily drawn flow than the Antidote system, the Crux allows you to get you need fatser, with less effort. You still get many of the great features the Antidote was known for: HydroGuard™ antibacterial coating, internal baffles, Pure Flow™ tubing, Quick-Link system, the Big Bite valve, just with a reconfigured new shape. You also get an upgraded the fill-port design to include an ergonomic handle and a redesigned leakproof cap that’s more intuitive and easier to use.

Perhaps most importantly, the materials used are 100% free of BPA, BPS and BPF. Camelbak recommends their Cleaning Kits for the specific brushes you need to keep the parts clean, as well as their Cleaning Tablets, which can properly maintain the freshness of your drinking water, while protecting you from bacteria and not damaging your Crux Lumbar 3L Reservoir.

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