I was curious about the Nova's rims, wanting to know if there was any info online about their max tire width capacity, so I Googled "Dino VP-20" and this came up:

http://www.truebicycles.com/contents/en-us/p180.html

From the spec sheet to the description, this is the Nova "to a tee". I have to assume that this is Downtube's overseas source for the bike.