The Tokul XC 5.0 can handle everything from quick laps to ultralight, full-day rides. There's just enough room for some extra layers, grub, immaculate tool organization and still a full two liters of water. Pack Weight: 1 lb., Reservoir Weight: 6 oz., Total Weight: 1 lb. 6 oz., Gear Capacity: 2L., Reservoir Capacity: 3L.