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Columbus SL and SLX(3 posts)

Columbus SL and SLX53x12
Sep 15, 2001 10:07 AM
Is there any way of telling what type of columbus tubing is used in a bike without the decal. I have an old paletti that dates to the mid eighties. No decal. And I'm trying to figure out the tubing. It is a black Paletti classic. Most of the decals are coming off it now.

re: Columbus SL and SLXzelig
Sep 15, 2001 12:39 PM
Depending on the size of the frame, I would guess that it's probably SLX of SPX. Through the BB, stick your finger up the seat tube and the down tube. If there are ridges in the tubing, it's SLX or SPX. If not, it's probably SL or SP or a combination, depending again on size, of both. SLX and SPX had splines, kind of like riflling which one would find in a gun barrel, but only in the butt area. If I recall, Paletti's were not made in lower grades of tubing so it's either SL, SP, SLX or SPX. I believe the date of the frame predates TSX, EL/OS and MS tubing. You might also visit the the following site.

re: Columbus SL and SLXdzrider
Sep 17, 2001 9:56 AM
I got one (Columbus SL) from Branford Bike in that era. Try their website Tim may have an idea on how to tell