Originally Posted by Eyes Roll

A first-time DIYer would expect a new bike part to come with every bolt and nut that is needed to install the part, unless there is a clear mention in the listing that additional hardware is required.

*does not include crank bolts. 👈 Wouldn't hurt.

So the buyer wouldn't have to wait 2 weeks for the part to arrive, and another 2 weeks for the bolts to arrive, to complete the installation.