2002 Pro Team bikes: Robbie McEwen's Lotto-Adecco Litespeed Vortex

With 6 percent aluminium and 4 percent vanadium in the mix, the Vortex's titanium alloy is stronger than the more common 3Al/2.5V titanium (which is itself pretty damn strong). This allows a lighter frame, but it's harder stuff to work with.
Photo ©: Lotto-Adecco

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