Axonal transport is an important process, and some recent reviews are listed below.
There are multiple axonal transport systems, which operate with specific cargoes at different speeds, and in different directions. This is the X-ray structure of rat kinesin, reported by Kozielski et al in 1997. Note the two head groups and the long helical tail, by which the cargo is attached. Switch to ribbon view and colour in the four protein strands. Rotate the molecule and experiment with different views to study the mechanism.