OSPREY Seral 4 - With Reservoir Color:- Black the BurroSak Air is great

the BurroSak Air is great for all of your adventures

Features a stiffer brake lever design that provides added support for aggressive riding

Brakes: Tektro HD-R280 hydraulic [F]160mm

Should you have to hike-a-bike around that downed tree

Two-sided flexibility and performance

OSPREY Seral 4 - With Reservoir Color:- Black the BurroSak Air is greatFor riders looking for a low profile lumbar pack with integrated hydration, 4 liter Seral is the perfect trail companion. This slim waist pack features the next gen 1. 5 liter Hydraulics reservoir with high strength magnetic coupling for improved hose management even in rough terrain and enough storage capacity for ride essentials, such as a spare tube, CO2 and multi tool and, of course, snacks. AirScape backpanel with contouring lumbar wrap provides