if you're stripping it, have a good look inside all the tubes at the BB end, any spiral/helix points to Columbus SLX, while SL has spiral/helix in headtube only
also, what's the seat-post diameter?
edited: SL/SLX misinformation, as pointed out by SS below
if you're stripping it, have a good look inside all the tubes at the BB end, any spiral/helix points to Columbus SLX, while SL has spiral/helix in headtube only
also, what's the seat-post diameter?
edited: SL/SLX misinformation, as pointed out by SS below