Osprey Seral 4 Lumbar Pack - One Size Postal Blue Model=AirZound Horn Use for both 1x and

Use for both 1x and 2x eTap AXS

2 Air Pressure Cartridge - 27

hex key inner axle for easy maintenance

1/2-13 x 9

Machined aluminum axle spacer for fine tuning hub spacing or as replacement axle spacer

Osprey Seral 4 Lumbar Pack - One Size Postal Blue Model=AirZound Horn Use for both 1x andOsprey Seral 4 Lumbar Pack One Size Postal Blue. The Osprey Seral lumbar pack is perfect for the minimalist looking for something other than a traditional over the shoulder pack. The Seral features a dedicated hydration compartment that stores an included 1. 5L lumbar reservoir and compresses for stable carry. Dedicated hose magnet attaches the bite valve for easy access. Easily accessible zippered main compartment with internal tool organization Dual