biker gangs, motorcycle gangs, bikiesと呼ばれています。暴走族のグループはclubとかchapterといいます。0:03 The Rann Government has promised "new" measures against organised crime, in the face of another act of defiance from bikie clubs. 暴走族らの実力行使を受けて、ラン政権は暴力団体取締りの新たな方策を練ると約束した。
http://www.youtube.com/watch?v=p4wPJEEwpEs 0:09 a special task force to crack down on motorbike gangs 暴走族取締りのための特別機動隊
http://www.youtube.com/watch?v=H-WFvpwCufM 1:07 outlaw motorcycle groups
http://www.youtube.com/watch?v=2kByW_QZ4Dk 2:19 motorcycle club
http://www.youtube.com/watch?v=lv1EW09dQO8 0:44 two members of the Comancheros bikie gang
http://www.youtube.com/watch?v=Eq6ZanBSZRs 2:13 The bikers were part of a group called“Hollywood Stuntz”