Gear How It’s Made: Vittoria Tubular Tires By Steve Casimiro May 02, 2011 0 0 If you’ve ever wondered why bike tires are often as expensive as car rubber, take a look at this “how it’s made” film on Vittoria tubulars. The number of steps is rather astonishing, as is the number of hands involved. Tags: cycling, gear, knowledge base Steve Casimiro is the editor of Adventure Journal. Leave a Comment Cancel reply Notify me of followup comments via e-mail. You can also subscribe without commenting.