ONIX TDA - The best value around in entry-level carbon fiber bicycles is the new 2009 Onix TDA. Utilizing Orbea’s re-developed Onix frame, the Onix TDA is perfect for beginning racers, cycling enthusiasts, and the discerning customer who wants high-quality performance for all their riding needs. A Shimano 105 partspackage rounds out this quality roadster that is waiting to be ridden.