Front hub adapters for a 9 x 100 mm QR connection.
Compatible wheels: XM 1550 TRICON.
Compatible hubs: all 180, 240s straightpull Road db Center Lock, 240s Classic Road db CenterLock, 240s straightpull MTB db Center Lock, 240s straightpull MTB db IS, 240s Classic MTB db Center Lock fifeteen.