Siva AtomThis is a demonstration store. You can purchase products like this from Pure Fix Cycles Will the Atom work with fenders or a rack? The Atom works well with fenders as it mounts inside the confines of the frame. Aaron has fenders on his bike (a Surly Cross Check) and the Atom fits great. For racks, depending on the type of rack and the mounting point on the frame, there may be a need for a small spacer (~5mm). Weve tested it on all the bikes we can get