*Addbike*

*Addbike* is the kind of add-on that tries to make an ordinary bike do a little more work, whether that means carrying gear, mounting extra parts, or turning a standard setup into something more practical. By our assessment, the appeal is in that flexibility rather than in any polished, all-purpose design. The downside is the usual one for bolt-on accessories: fit, sturdiness, and compatibility can matter more than the name on the box. In use, products like this are often helpful when you already know exactly what you want to add, and awkward when you expect one part to solve several problems at once. *Addbike* sits below a full dedicated bike system and above improvised fixes, which is a useful place if you want something simple and specific. It is not the thing for people who want a finished, elegant build from the start.