I figured before I start mounting these item on the new Grom I'd wt them just for the curious/scientific wanna know type of motorcycle person.
The rear rack by it self, 2.58 lbs or 1171g
with the new bolts,washers,nut 2.69 lbs or 1221g
Grom tool kit, .5 lbs or 241g
use info at your own risk