Dt swiss conversion kit 12mm to qr rearconvert your dt swiss wheel or hub into a 5mm quick release features5135mm qr rearmanufactureers code hwgxxx0001528sconvertable hubs 80 center lock rear 240s straightpull center lock rear 240s straightpull is rear240s center lock rear240s disc brake is rear350 straightpull center lock rear350 straightpull is rear350 center lock rear350 disc brake is rearconvertable wheelsxrc 1250 spline rear 27 5 29xr 1450 spline rear 26 29xr 1501 spline