Use the tuning shop
The tuning shop is the reported place to change paint, wheels, decals and accessories. Look for the tuning menu when you arrive. Cosmetic choices affect appearance; the available materials do not establish that they improve speed or handling.
Some options may cost Cash or Robux, and the menu can change. Check the price and preview before confirming a purchase. Keep a record of what you changed if you are comparing scooter performance afterward.