You did not say

来源: 于 2018-08-27 10:47:36 [旧帖] [给我悄悄话] 本文已被阅读：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