Wheel spacers weights
Here you can find different wheel spacers weights.
HR 12mm spacer for the CSL. 401g
An Eibach 12mm spacer, 477g
It is 76g heavier than the H&R 12mm spacer !
Here is an H&R 20mm spacer (with the extra bolts).
Together with the extra bolts 1037g
Without the bolts 805g
The bolts on their own 231g