Hydraulics 2L ReservoirThe next generation of reservoir is here. Redesigned from tip to tail, the 2 liter Hydraulics reservoir features innovative and ergonomic improvements that make it easier to carry, fill, load up and use whether you're buzzing around town, travelling or hitting the trails. This version features a lightweight yet sturdy backer plate that helps reduce bending or buckling while loading, making it ideal for internal or external pack hydration sleeves.