biker
US /ˈbaɪ.kɚ/
UK /ˈbaɪ.kɚ/

1.
motocyklista, biker
a person who rides a motorcycle, especially as part of a group or subculture.
:
•
The biker gang rode into town, their engines roaring.
Gang motocyklistów wjechał do miasta, ich silniki ryczały.
•
He's a serious biker, always out on the open road.
Jest poważnym motocyklistą, zawsze w trasie.