MTrax Mystery Metal

RichardStLeonards

Retro Newbie
I understand why my magnet sticks to the rear triangle of my MTrax Ti2000 and falls off the top and down tubes but why doesn't it stick to the head tube? If it isn't steel and I doubt that it's titanium then what is it? The frame number tells me the bike came out of the Raleigh USA factory in Utah. Maybe the yanks stuck some aluminium in there? Or is it some mystery metal? Enlighten me please!
 
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