DJD BD Sprocket 1/8", CNC Cr-mo - Fits Halo DJD BD/S.Drv Hubs, 23x1mm Thread, 1/8" for SSHalo DJD BushDriver Sprockets,Screw-on for Halo DJD hubs with Mini Drive only.,Suits DJD BD or DJD SupaDrive hubs.,1/2x1/8" Steel.,09, 10, 11, 13, 14 & 16T,Thread = 23x1mm.,RHD only..*Note : not compatible with Sealed Bearing Driver Hub*