Osprey Siskin Hydration Pack - Slate Blue - 12L - 2021 - 2.5L Bladder YGroup_7033466322989 E-thirteen have gone for an

E-thirteen have gone for an optimal ratio of strength vs weight

This is a direct replacement for any BB86 or BB92 Bottom Bracket

PSI and Bar increments on gauge

This is a drop fit or integrated headset top half

Osprey Siskin Hydration Pack - Slate Blue - 12L - 2021 - 2.5L Bladder YGroup_7033466322989 E-thirteen have gone for anThe Siskin pack strikes the perfect balance between the two extremes of not having enough storage and having too much storage so that you end up weighed down with too much gear. It's somewhat of the Goldilocks of packs as it gives you plenty of room to store and organise your gear but you won't need to hire a Sherpa to get you to the top of the hill. The main compartment has a U zip so you can open it right up and lay it flat to easily access all your