The ULAC Neo Porter Coursier GT Max Handlebar Bag 4.2L Onyx is the largest in the Coursierpak family, designed to meet the needs of cyclists who require ample storage without compromising on style or functionality. Crafted from all-waterproof materials, this bag ensures your essentials stay dry in any weather. With a generous 4.2-liter capacity, it easily accommodates all your cycling necessities, while the additional top pocket offers quick access to your mobile phone. Elastic bands provide extra storage for items like a windbreaker or sunglasses, and the double zipper design allows for effortless access. The bag attaches securely to your handlebar without the need for a rack, maintaining perfect balance during rides. It also includes a small waterproof wallet and a complimentary karabiner for versatile use.