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? What is the waterproof rating of the e-bikes? Do I need to buy a lock? What are the differences between the Urtopia e-bikes, and how can I choose a suitable bike? What measures can be taken to protect the battery during winter months or adverse conditions?