What parts can I modify by myself? September 06, 2022 18:36 Most parts can be modified, but we need to state that we do NOT provide warranty service for any problems after modification. Also, we do NOT recommend doing any modifications. Related articles Are the pedals on the Urtopia replaceable? Can I load the cargo on the frame? Do I need to buy a lock? Is it possible to put Urtopia on my car? How to replace a rear wheel ?