Osprey Hydraulics Reservoir - 3L - Blue YGroup_8349006889005 The 2-way release design means

The 2-way release design means you can move to a harder gear by pushing or pulling the up shifter and with its ball bearing construction

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Black Oxide Raceways - which get an additional Magnetite treatment for hardness

Love the look of the Fidlock system but don't have bottle cage mounts on your frame

Osprey Hydraulics Reservoir - 3L - Blue YGroup_8349006889005 The 2-way release design meansOspreys Hydraulics 3L Reservoir by Hydrapak is ideal for large volume packs and long duration activities. The HydroStatic backplate provides a structure for easy loading into a full pack and maintains a flat profile. Thoughtful design makes filling, cleaning and most importantly staying hydrated on the trail easier than ever. All parts are BPA free, phthalate free, lead free, guaranteed. All materials are certified food safe according to FDA and EU