They are Rota Circuit 8s. The tires are Goodyear Eagle F1 GS-D3s. They have a wicked tread pattern:
Yay!
Sun through the trees, originally uploaded by busychild424 (Josh). Description:
1331163225055, originally uploaded by busychild424 (Josh). Description: Found this strange scene while wandering campus earlier.
Relic, originally uploaded by busychild424 (Josh). Description: This relic is actually sitting unused in one of my classrooms.