It appears that EZSpare has changed their website and pricing. Both of the hyperlinks now take you to the 20" Alloy Spare Tire and Wheel. Although, oddly, it lists different prices for the same spare (one is $399, the other is $429). I looked at the links a month or two ago, and at the time, the "Smaller Wheel/Tire" link took you to a different tire. Though I don't recall the size, maybe it was a 17" tire and wheel? The only sizes they appear to have are 15", 17", and 20". If you search by vehicle for the Lucid, it only selects the 20" tire. Unfortunately, the way their website is configured, you cannot easily select a wheel size and go. You are essentially forced into their wheel selector by vehicle. You can get to a 17" wheel, but it is a little circuitous.
I called them and asked some questions. They said that your replacement tire should not be more than 5% smaller or larger than your remaining tires. That is apparently why they force you into the 20" wheel. That will fit all of the Lucid wheel sizes within the tolerance. But a 17" wheel would too small, according to them. I am not certain, but I am pretty sure that some of these "Donut" spares are quite a bit smaller than the other tires on many other vehicles, surely more than the 5% they cited. Probably some liability thing on their side? Sure, you shouldn't drive on a little tire for too far, or it will start to throw off your alignment. But I only plan to get back home on the spare.
So, is the 17" tire and wheel the "smaller size" that was discussed earlier? Has anyone actually installed and used the 17" tire? I would definitely like for it to fit in the frunk lower compartment.