This is a replacement of the T12 aluminum male (inner axle tube) component of the cross rail for the G7 model.
It is slightly bent in the middle to help the strength of the cross rail
T12 Cross Rail Aluminum Inner/Male Tube (CR-MRA-T12)
T12 Cross Rail Steel Inner/Male Tube (CR-MRS-2) (STEEL)
G7 Cross Rail - Male Rail Aluminum (Inner Axle Tube) for T12
57.75 length, and compatible with the 5.7 tire