This purchase is for a passenger backrest/grab bar/luggage rack all in one kit for the above bike model. The grab bar feature a removable backrest and luggage rack. The luggage rack also provides mounting points for straps and bungee cords. The steel tubing has two attachment points and braced together to prevent them from rotating in the event of a low side. We use highest grade bolt commercially available 12.9(177,000 psi in tensile strength) wherever possible. Rest assured that you are getting the best material commercially available.