What Our Gearhead® Experts Are Saying:"The Syncline 12L Bike Hydration Backpack is my go-to for everyday rides. It carries just the right amount of gear without feeling bulky, and the lumbar reservoir keeps weight low and stable. The breathable back panel and shoulder straps make a huge difference on long climbs, and the magnetic hose clip ensures quick hydration on the go. Whether I'm hitting technical trails or long cross-country loops, this pack keeps me fueled and ready to roll."Riding further and pushing harder means staying hydrated and organized, and the Syncline 12L Bike Hydration Backpack makes it effortless. This mid-sized pack is built for long days on the trail, with a 3L Hydrapak lumbar reservoir that sits low for a stable and balanced ride. Designed for comfort, the Syncline features a breathable Air Flow back panel and shoulder straps, keeping air moving while you grind up climbs or rip through technical descents. Dedicated storage pockets organize tools, snacks, and an extra layer, while helmet loops and deployable armor straps secure your gear when not in use. Whether you're chasing KOMs or simply enjoying the ride, this pack keeps you prepared for every turn.