OSPREY Seral 4 - With Reservoir Color:- Aprium Purple Durable stainless steel body plate

Durable stainless steel body plate reduces flex and wear

and fun for gravel

convenience and durability

COLOR-ENHANCE YOUR RIDE

Insert into any Hollowtech II bottom bracket tool for compatibility with newer generation 39mm and 41mm outer diameter Shimano external bottom brackets like those found on Dura-Ace 9000

OSPREY Seral 4 - With Reservoir Color:- Aprium Purple Durable stainless steel body plateFor 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