I changed myself. Ships around me charged $150 for tire change. Anyway. Put gorilla tape on spoons those protectors are useless. I do scratch rim on inside though in couple of spots. Have not use zip ties but I used gorilla tape when put new tire. Make sure to warm tires up. Just put them on sun. I used dish soap mix with water as lubricant. Take your time and make sure tires goes proper way. They are directional. I cannot dress this enough
. Iíve had to dismount and put back on. Also there is usually red or yellow dot on the tire it should be lined up with stem valve. Then you will need to balance. I used static balancer from harbor freight. Works great.
Check this video
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