| 摘要 |
A roller skate wheel includes an outer wheel body defining a receiving space and having an inner wall formed with a first annular flange and a second annular flange spaced from each other, an inner tire received in the receiving space, a first wheel cap secured to the first annular flange, a first bearing received in a first opening defined in the first wheel cap, a second wheel cap secured to the second annular flange and securely coupled with the first wheel cap, and a second bearing received in a second opening defined in the second wheel cap.
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