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frame identification 
PostPosted: Wed Mar 09, 2011 11:09 am Reply with quote
ilprincipe
Joined: 09 Mar 2011
Posts: 2
Location: Germany
hello,

I just registered here Smile I am considering buying a vintage gitane track frame, most likely from the 70s. It would be nice to know the model of the frame, as I'd happily buy a mexico or super pista but wouldnt bother for a track standard.

Problem is, the frame has obviously been repainted/restored at some point and new gitane decals added. The lugs do not really look special. is there any way to determine the model? Ive looked at frames online but couldnt find a really distinctive feature that was true to one model. seatpost diameter seems to differ substantially, lugs as well.

here are the pictures. the installed headset is a lightrace. bottom bracket has french threading.












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ID Track Frame 
PostPosted: Wed Mar 09, 2011 2:40 pm Reply with quote
verktyg
Joined: 14 Jan 2007
Posts: 2814
Location: SF Bay Area
Greetings and welcome to the Forum.

The blue repainted frame is an Andre Bertin C56 model not a Gitane. It has the distinctive swagged flutes in the top of the seat stays. Bertin also used Lightrace headsets whereas Gitane used their own make.

This is a Bertin C56 from the 60s. It has different lugs than the one that in your pictures. Those are Bocama Professional medium point lugs like the ones used on early 70s Gitane Tour de France frames








The C56 frames were usually made with French Durifort tubing. They were descent quality bikes, on a par with the Gitane Mexico model.

BTW, someone added the Gitane decals as Bertin decals are unavailable!

_________________
Chas.
SF Bay Area, CA USA
==============
1984 Criterium
1969 TdF
1971 TdF
1974 TdF
1984 TdF x 2 Bikes
1970 SC
1971 SC
1972 SC
1984 SC
1984 Team Pro
1985 Professional
1990s Team Replica
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PostPosted: Thu Mar 10, 2011 4:04 am Reply with quote
ilprincipe
Joined: 09 Mar 2011
Posts: 2
Location: Germany
thanks very much for the info. I was wondering about the fluted seat stays, hadnt seen that on any gitane yet. still a bit on the fence about buying it, im always scared that frames of that age are warped. oddly enough they still command prices that are about half of what a cheaper new steel frame costs.
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Frame warpage? 
PostPosted: Thu Mar 10, 2011 12:15 pm Reply with quote
verktyg
Joined: 14 Jan 2007
Posts: 2814
Location: SF Bay Area
Frames warp from being crashed! Wink

A nice paint job can cover a multitude of sins (repairs that can't be detected).
Confused

I like the color blue on that frame. The paint looks a little thick like it's a powder coat job which is good for a bike that's going to be ridden a lot.

_________________
Chas.
SF Bay Area, CA USA
==============
1984 Criterium
1969 TdF
1971 TdF
1974 TdF
1984 TdF x 2 Bikes
1970 SC
1971 SC
1972 SC
1984 SC
1984 Team Pro
1985 Professional
1990s Team Replica
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frame identification 
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