Osprey Seral Lumbar Pack
Best lumbar pack for mountain bikers seeking stable, minimalist hydration.
This pack is the ultimate minimalist solution for riders who want to ditch the heavy backpack without sacrificing hydration. You trade the storage capacity of a full-sized bag for a bounce-free, ventilated ride that keeps your essentials secure and your back cool on technical trails.
$75.00
at
CBI Bikes
More Seral options
Who it's for
- Mountain bikers needing a secure, bounce-free fit on technical trails
- Cyclists prioritizing convenient, hands-free hydration during long rides
- Minimalists who value organized storage for essential trail tools
Who should skip it
- Adventure riders requiring space for extra layers or emergency gear
- Riders prone to overheating who prioritize maximum back ventilation
- Budget-conscious shoppers seeking a basic, low-cost hydration solution
Performance breakdown
Ride Stability
The lumbar-focused design eliminates bounce even on technical, high-speed descents.
Hydration Accessibility
Magnetic hose attachment keeps your water source secure and instantly reachable.
Ventilation Performance
Ridged foam and air channels effectively prevent heat buildup during intense rides.
Tool Organization
Dedicated internal compartments keep trailside repair kits tidy and easily accessible.
Minimalist Capacity
Perfect for essential gear, though limited for long-distance or multi-day excursions.
Fit Versatility
The adjustable Airmesh belt accommodates a wide range of waist sizes comfortably.
Key Specs
Weight
0.93 lbs
Gear Capacity
4 Liters
Gear Capacity
244 Cubic Inches
Liquid Capacity
50 Fluid Ounces
Fits Waist/Hips
26-50 Inches
Material
Recycled 600-denier PET polyester/recycled 400-denier high-tenacity nylon
Dimensions
12.5 x 7.5 x 4.5 inches
Closure Type
Zipper
Number of Pockets
2
Know before you buy
Still have a question?
Ask Metto anything about the Osprey Seral Lumbar Pack before you decide.
