CYTEC Dayride hydration backpack. The Dayride hydration backpack is the perfect daypack for cycling. The integrated hydration bladder with a capacity of 1.5 litres is a reliable water dispenser for long as well as short trips. Two shoulder straps as well as one chest and hip belt ensure an ideal fixation with balanced load distribution. The bicycle backpack also has three outer pockets and a top-access inner pocket in which you can optimally store snacks, tools and spare parts. Ideal for mountain bikers and road cyclists. Includes 1.5 litre bladder. Adjustable, padded shoulder straps.