I lost the cross bar in a crash and it was great to be able to get a new one. I recommend everyone order the spare parts kit with the module. Found the lost bar later.
I strongly suggest more screws be a part of the spare kit. These are so small, not easily available, easy to lose.
Thank you for the feedback Harold! I also recommend to apply a piece of tape on both sides on top of the cross bar, just to secure it in place in case it gets dislodged during a hard crash. see example below.