You did not say

來源: 於 2018-08-27 10:47:36 [舊帖] [給我悄悄話] 本文已被閱讀：次

what you are going to do when you remove them. Are you going to replace tires youself?

They are called wheel (alluminum alloy) and tire (rubber). That small piece is used to balance weight (dynamic balance).

Best regards,

Alex