At the base the 6mm tube protrudes to take a piece of 5mm rod that is bent to the same angle as the rear cage.
The larger 3mm hole allows attachment through the cage to the gearbox casing; the 2mm hole is to connect to the rear cage to stop twisting.
The larger 3mm hole allows attachment through the cage to the gearbox casing; the 2mm hole is to connect to the rear cage to stop twisting.