The Osprey Seral 4 Waist Pack is a minimalist’s dream for mountain biking and trail riding. Designed to sit comfortably around your hips, it keeps hydration and essentials secure without the bulk of a backpack—perfect for fast, lightweight adventures.
Key Features:
- 1.5L Hydraulics™ lumbar reservoir included
- Magnetic hipbelt attachment for the bite valve
- Zippered main compartment with internal tool organization
- Dual zippered hipbelt pockets for easy-access items
- Front panel bungee for stashing layers
- Extra thick foam with center air channel for ventilation
- Airmesh wrap hipbelt for breathability and stability
- Direct-zip reservoir compartment for quick refills
Who is it for?
Designed for mountain bikers and outdoor enthusiasts who want a streamlined, bounce-free alternative to traditional hydration backpacks. Ideal for short to mid-length rides.
Specifications
Mounting Position
Compatibility
Weight
Material
Torque Setting
Biodegradable
Bottom Bracket
Compatible Chains
Lubricant Type
Length
Volume
Manufacturer Warranty
Manual
Cage Length
Total Capacity
Low Sprocket Max
Shifting Actuation
Speed
Number of Chainrings
Top Sprocket Min
What's Included
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