At seven liters, our largest Kitsuma bike pack comes with a next-gen 2.5-liter Hydraulics reservoir to keep you hydrated on your longer rides and enough storage to pack snacks, tools and an extra lightweight layer on your next all mountain or trail ride. Still minimal and streamlined, it offers a little more flexibility for gear without getting bulky. Kitsuma 7 w/Res Astrology Blue O/S