Originally Posted by
verktyg
The OP's Criterium has Vitus dropouts. My 1984 Team Replica has those Simplex dropouts.
The other 1984, 85 & 86 Gitane bikes have Vitus dropouts. I'd heard that Gitane stopped using the Simplex dropouts ~1984 because of breakage problems across the hole for the plastic nut for the adjuster screws??? Looks pretty beefy to me.
Four of my 1980's Peugeots have Simplex dropouts and I've never heard about any problems with breakage problems with them Peugeots.
Most of the actual Gitane Team bike that I've seen or seen pictures of had Campy 1010A or 1010B dropouts.
verktyg

Never heard of Simplex dropouts cracking either..... must be just marketing blurb to justify one brand from another .....if anything, the Simplex rear DO's look to be more beefy than most other DO's.
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72 Line Seeker
83 Davidson Signature
84 Peugeot PSV
84 Peugeot PY10FC
84 Gitane Tour de France.
85 Vitus Plus Carbone 7
86 ALAN Record Carbonio
86 Medici Aerodynamic (Project)
88 Pinarello Montello
89 Bottecchia Professional Chorus SL
95 Trek 5500 OCLV (Project)