The HRE wheels
Here are some weight examples:
Forged Aluminum Wheel Weight:
19” x 9” = 23 lbs.
19” x 12” = 26 lbs.
HRE Carbon Series
19” x 9” = 17 lbs.
19” x 12” = 20 lbs.
And here is where I found it,
http://www.motorator.com/blog/genera...-series-wheels