Abstract: The presently disclosed article carrier for bicycles is adapted for the mid-frame area of a variety of bicycle frame types having improved practical characteristics for conveying a variety of articles while having minimal adverse effects on, a bicycle's handling. The carrier may be quickly installed and, removed without the use of tools or brackets by buckling a pair of fastening assemblies between the handlebar stem and seat-post, components common to a majority of bicycle frame types currently in the marketplace. The carrier offers improved accessibility to its cargo both while riding and while stationary due to its positioning on the bicycle and to particular zipper styles. The carrier is also proportioned and adapted to real-world applications with minimal nuisance and optimal utility due to its means of attachment, its volumetric expandability, its various utilitarian pockets and compartments and its adjustability.