There's been some discussion about this, whether or not the 2006 Fillmore is still True Temper OX Platinum or a lower grade steel. Well, it is:

Hi,

What frame material is used for the 2006 Fillmore? I've read on the
Lemond website that True Temper OX Platinum tubing is used, but that
seems to contradict some other information floating around. Please help
me sort this out once and for all.

Thanks,

- Mike
Thanks for your email.

While the catalog says simply 'Cro Moly', it is in fact true temper OX
platinum.

Thanks,

Steve Swenson
Manager, Tech Support and Consumer Services
Trek, Lemond, Klein & Gary Fisher
And that's that.

- eyefloater