Osprey Seral 4 w/ Reservoir Bike Hydration Pack

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Osprey Seral 4 w/ Reservoir Bike Hydration Pack

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Osprey Seral 4 with Reservoir

A lumbar-style bike pack for the rider who prefers a carry with minimal body contact and a hydration reservoir drinking system the Osprey Seral 4 w/Reservoir comes with a 1.5 liter Hydraulics reservoir by Hydrapak with a magnetic hipbelt bite valve attachment that grabs and secures the hose when not in use. This is a bike-specific lumbar pack with an angled hipbelt for riding. Osprey's ErgoPull cross-body waist strap closure system pulls the pack into the lumbar while side compression straps pull the load close to your body, providing an incredibly comfortable, secure and stable carry. A large main compartment with reservoir sleeve has tool organization for a spare tube, instant air system, and the necessary hardware to do on the fly repairs. An internal zippered pocket keeps your id or phone secure through the twists and turns of the single track. A blinker light attachment and reflective graphic means you can ride on into dusk with extra visibility when you're on the road home. For the rider who likes the convenience of a Hydrapak reservoir water carry, but dislikes a pack on their back, this is the hip bag for the bike you've been looking for.


  • A lumbar-style bike pack with integrated 1.5L reservoir
  • AirScape backpanel with contouring lumbar wrap provides maximum stability
  • Included Osprey Hydraulics 1.5 L lumbar reservoir by Hydrapak
  • Magnetic hipbelt bite valve attachment
  • Large zippered main compartment with reservoir sleeve
  • Main compartment tool organization and internal zippered pocket
  • Blinker light attachment with reflective graphic

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