Re: Does wheel design in replacement wheels matter?
Personally, I think the wheel design is more marketing than aerodynamic.
I have 2 HCHCIIs and four sets of rims. The extra rims I bought were all from the Tirerack. They are of 5 and 6 spoke design and weigh one pound more than stock. I don't notice ANY difference in FE between sets.
Also, I love to point out that the Prius has spokes and no flying saucers.
Keep the wheel weight low and you will be fine.
Don't foget about tires though. If you get some 10lbs 17"s and put Super sport tires on them your mileage will suffer. You still need Low Rolling Resistance tires.
Good luck.
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