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View Full Version : what is c3s?

thendenjeck
12-13-2011, 08:28 PM
looking at a Serotta Colorado with c3s tubing, anyone know any deets about this? thanks1
Ahneida Ride
12-13-2011, 08:38 PM
wow ... never heard of it ...
thendenjeck
12-13-2011, 08:43 PM
did a search and found a couple comments that mention c3s as a colorado model, but it looks in the pic like it's a columbus tubing sticker that says c3s
oliver1850
12-14-2011, 12:26 AM
C3S was the steel tubeset used in the Atlanta, made by Reynolds. It has a tapered seat tube and downtube. I think the top tube is round. Also used in the Rapid Tour, CPi(track), and GP Suisse (CX), don't know if it was used in any other models.
Ken Robb
12-14-2011, 01:17 PM
yep and the CSi got the 4s tube set.