Just make sure you are not trying to cold set a frame with heat treated tubes like Reynolds 753.....
Despite some people saying they have been successful in cold setting such frames, the majority who tried to do so found it impossible, as the frames just sprung right back to it's original rear spacing every time they tried to do so.
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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)