CAMELBACK CHASE 50OZ BIKE VEST VS. OSPREY DURO 1.5 HYDRATION PACK Choosing the best hydration pack for short to medium length bike rides can be a daunting task with so many great choices on the market. Whether you are looking for a pack for racing or rides, a 50oz option may be a good fit for your riding. I’ve spent literally thousands of hours riding and racing endurance events around the world in the Camelbak Chase Bike Vest. This year, I discovered the Osprey Duro 1.5 and wanted to see how it compared to the Camelbak. Personally, the reason why these packs are attractive is because they are small, I can still access my rear jersey pockets, and I like to have the option to have a bottle on my bike with sports drink in it like GU Roctane for example. I also like these packs because they don’t shift around on your back on bumpy or steep terrain and they breathe really well. The hip pack versus backpack choice is entirely personal. I just prefer a backpack although Jenson has a number of great hip pack options. I’m a professional endurance mountain biker, so I’ve spent a lot of time considering what the best set-up is for speed, function, fit, and durability when it comes to carrying a hydration pack.