My Vorshlag/D-Force track wheels!
These bad boys are 18x10" and weigh a whopping 19.9 lbs according to my bathroom scale. My current wheels (18 x 9" and 10") weigh a combined 112.6 lbs, so I will be losing a full 33 lbs of unsprung+rotational weight (not including the weight of the tires, but I don't know the specs).
This would've been a much better picture if I would've noticed it was blurry. Expect a full write up after COTA this weekend.